1373025878457 has 32 divisors (see below), whose sum is σ = 1845240808320. Its totient is φ = 908115855360.

The previous prime is 1373025878447. The next prime is 1373025878473. The reversal of 1373025878457 is 7548785203731.

It is not a de Polignac number, because 1373025878457 - 2⁸ = 1373025878201 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1373025878457.

It is not an unprimeable number, because it can be changed into a prime (1373025878407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 233465157 + ... + 233471037.

It is an arithmetic number, because the mean of its divisors is an integer number (57663775260).

Almost surely, 2^{1373025878457} is an apocalyptic number.

It is an amenable number.

1373025878457 is a deficient number, since it is larger than the sum of its proper divisors (472214929863).

1373025878457 is a wasteful number, since it uses less digits than its factorization.

1373025878457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7273.

The product of its (nonzero) digits is 39513600, while the sum is 60.

The spelling of 1373025878457 in words is "one trillion, three hundred seventy-three billion, twenty-five million, eight hundred seventy-eight thousand, four hundred fifty-seven".