1278473962059 has 12 divisors (see below), whose sum is σ = 2110496699376. Its totient is φ = 730556549712.

The previous prime is 1278473962057. The next prime is 1278473962061. The reversal of 1278473962059 is 9502693748721.

1278473962059 is a `hidden beast` number, since 1 + 2 + 7 + 8 + 473 + 96 + 20 + 59 = 666.

It is an interprime number because it is at equal distance from previous prime (1278473962057) and next prime (1278473962061).

It is not a de Polignac number, because 1278473962059 - 2¹ = 1278473962057 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63), and also a Moran number because the ratio is a prime number: 20293237493 = 1278473962059 / (1 + 2 + 7 + 8 + 4 + 7 + 3 + 9 + 6 + 2 + 0 + 5 + 9).

It is a junction number, because it is equal to n+sod(n) for n = 1278473961987 and 1278473962005.

It is not an unprimeable number, because it can be changed into a prime (1278473962057) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10146618684 + ... + 10146618809.

It is an arithmetic number, because the mean of its divisors is an integer number (175874724948).

It is a 1-persistent number, because it is pandigital, but 2⋅1278473962059 = 2556947924118 is not.

Almost surely, 2^{1278473962059} is an apocalyptic number.

1278473962059 is a deficient number, since it is larger than the sum of its proper divisors (832022737317).

1278473962059 is a wasteful number, since it uses less digits than its factorization.

1278473962059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20293237506 (or 20293237503 counting only the distinct ones).

The product of its (nonzero) digits is 45722880, while the sum is 63.

The spelling of 1278473962059 in words is "one trillion, two hundred seventy-eight billion, four hundred seventy-three million, nine hundred sixty-two thousand, fifty-nine".