1373245147857 has 32 divisors (see below), whose sum is σ = 2004159475584. Its totient is φ = 829474214400.

The previous prime is 1373245147849. The next prime is 1373245147861. The reversal of 1373245147857 is 7587415423731.

It is not a de Polignac number, because 1373245147857 - 2³ = 1373245147849 is a prime.

It is a super-2 number, since 2×1373245147857² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1373245147797 and 1373245147806.

It is not an unprimeable number, because it can be changed into a prime (1373245187857) 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, 66908757 + ... + 66929277.

It is an arithmetic number, because the mean of its divisors is an integer number (62629983612).

Almost surely, 2^{1373245147857} is an apocalyptic number.

It is an amenable number.

1373245147857 is a deficient number, since it is larger than the sum of its proper divisors (630914327727).

1373245147857 is a wasteful number, since it uses less digits than its factorization.

1373245147857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27249.

The product of its digits is 19756800, while the sum is 57.

The spelling of 1373245147857 in words is "one trillion, three hundred seventy-three billion, two hundred forty-five million, one hundred forty-seven thousand, eight hundred fifty-seven".