1278473962034 has 16 divisors (see below), whose sum is σ = 1923504140376. Its totient is φ = 637306118400.

The previous prime is 1278473961967. The next prime is 1278473962049. The reversal of 1278473962034 is 4302693748721.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 358438097809 + 920035864225 = 598697^2 + 959185^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16691144 + ... + 16767564.

Almost surely, 2^{1278473962034} is an apocalyptic number.

1278473962034 is a deficient number, since it is larger than the sum of its proper divisors (645030178342).

1278473962034 is a wasteful number, since it uses less digits than its factorization.

1278473962034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101581.

The product of its (nonzero) digits is 12192768, while the sum is 56.

The spelling of 1278473962034 in words is "one trillion, two hundred seventy-eight billion, four hundred seventy-three million, nine hundred sixty-two thousand, thirty-four".