1276398474058 has 16 divisors (see below), whose sum is σ = 1917068630400. Its totient is φ = 637375715856.

The previous prime is 1276398474041. The next prime is 1276398474133. The reversal of 1276398474058 is 8504748936721.

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, 33439168 + ... + 33477316.

It is an arithmetic number, because the mean of its divisors is an integer number (119816789400).

It is a 1-persistent number, because it is pandigital, but 2⋅1276398474058 = 2552796948116 is not.

Almost surely, 2^{1276398474058} is an apocalyptic number.

1276398474058 is a deficient number, since it is larger than the sum of its proper divisors (640670156342).

1276398474058 is a wasteful number, since it uses less digits than its factorization.

1276398474058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59301.

The product of its (nonzero) digits is 81285120, while the sum is 64.

The spelling of 1276398474058 in words is "one trillion, two hundred seventy-six billion, three hundred ninety-eight million, four hundred seventy-four thousand, fifty-eight".