1957742139001 has 16 divisors (see below), whose sum is σ = 2138931748800. Its totient is φ = 1777089167680.

The previous prime is 1957742138941. The next prime is 1957742139007. The reversal of 1957742139001 is 1009312477591.

It is a cyclic number.

It is not a de Polignac number, because 1957742139001 - 2⁷ = 1957742138873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1957742139007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38102010 + ... + 38153356.

It is an arithmetic number, because the mean of its divisors is an integer number (133683234300).

Almost surely, 2^{1957742139001} is an apocalyptic number.

1957742139001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1957742139001 is a deficient number, since it is larger than the sum of its proper divisors (181189609799).

1957742139001 is a wasteful number, since it uses less digits than its factorization.

1957742139001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56504.

The product of its (nonzero) digits is 476280, while the sum is 49.

The spelling of 1957742139001 in words is "one trillion, nine hundred fifty-seven billion, seven hundred forty-two million, one hundred thirty-nine thousand, one".