1273761382328 has 16 divisors (see below), whose sum is σ = 2405484627000. Its totient is φ = 632298815136.

The previous prime is 1273761382321. The next prime is 1273761382339. The reversal of 1273761382328 is 8232831673721.

It is a super-2 number, since 2×1273761382328² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1273761382328.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1273761382321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 572733323 + ... + 572735546.

Almost surely, 2^{1273761382328} is an apocalyptic number.

It is an amenable number.

1273761382328 is a deficient number, since it is larger than the sum of its proper divisors (1131723244672).

1273761382328 is a wasteful number, since it uses less digits than its factorization.

1273761382328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1145469014 (or 1145469010 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 53.

The spelling of 1273761382328 in words is "one trillion, two hundred seventy-three billion, seven hundred sixty-one million, three hundred eighty-two thousand, three hundred twenty-eight".