1373257875873 has 32 divisors (see below), whose sum is σ = 1997534246400. Its totient is φ = 834085115136.

The previous prime is 1373257875863. The next prime is 1373257875883. The reversal of 1373257875873 is 3785787523731.

It is an interprime number because it is at equal distance from previous prime (1373257875863) and next prime (1373257875883).

It is not a de Polignac number, because 1373257875873 - 2¹⁴ = 1373257859489 is a prime.

It is a Smith number, since the sum of its digits (66) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1373257875823) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8662243 + ... + 8819351.

It is an arithmetic number, because the mean of its divisors is an integer number (62422945200).

Almost surely, 2^{1373257875873} is an apocalyptic number.

1373257875873 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1373257875873 is a deficient number, since it is larger than the sum of its proper divisors (624276370527).

1373257875873 is a wasteful number, since it uses less digits than its factorization.

1373257875873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160041.

The product of its digits is 207446400, while the sum is 66.

The spelling of 1373257875873 in words is "one trillion, three hundred seventy-three billion, two hundred fifty-seven million, eight hundred seventy-five thousand, eight hundred seventy-three".