65213498737 has 8 divisors (see below), whose sum is σ = 69097332096. Its totient is φ = 61334970432.

The previous prime is 65213498723. The next prime is 65213498759. The reversal of 65213498737 is 73789431256.

65213498737 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65213498737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65213498137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1300933 + ... + 1350130.

It is an arithmetic number, because the mean of its divisors is an integer number (8637166512).

Almost surely, 2^65213498737 is an apocalyptic number.

It is an amenable number.

65213498737 is a deficient number, since it is larger than the sum of its proper divisors (3883833359).

65213498737 is a wasteful number, since it uses less digits than its factorization.

65213498737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2652527.

The product of its digits is 7620480, while the sum is 55.

The spelling of 65213498737 in words is "sixty-five billion, two hundred thirteen million, four hundred ninety-eight thousand, seven hundred thirty-seven".