65857342737 has 16 divisors (see below), whose sum is σ = 90875220480. Its totient is φ = 42373430400.

The previous prime is 65857342723. The next prime is 65857342739. The reversal of 65857342737 is 73724375856.

It is not a de Polignac number, because 65857342737 - 2²² = 65853148433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65857342739) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 57312 + ... + 367422.

It is an arithmetic number, because the mean of its divisors is an integer number (5679701280).

Almost surely, 2^65857342737 is an apocalyptic number.

It is an amenable number.

65857342737 is a deficient number, since it is larger than the sum of its proper divisors (25017877743).

65857342737 is a wasteful number, since it uses less digits than its factorization.

65857342737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312584.

The product of its digits is 29635200, while the sum is 57.

The spelling of 65857342737 in words is "sixty-five billion, eight hundred fifty-seven million, three hundred forty-two thousand, seven hundred thirty-seven".