65536977453 has 8 divisors (see below), whose sum is σ = 87383906208. Its totient is φ = 43690683504.

The previous prime is 65536977449. The next prime is 65536977487. The reversal of 65536977453 is 35477963556.

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

It is not a de Polignac number, because 65536977453 - 2² = 65536977449 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65536977403) 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 7 ways as a sum of consecutive naturals, for example, 194475 + ... + 410967.

It is an arithmetic number, because the mean of its divisors is an integer number (10922988276).

Almost surely, 2^65536977453 is an apocalyptic number.

It is an amenable number.

65536977453 is a deficient number, since it is larger than the sum of its proper divisors (21846928755).

65536977453 is a wasteful number, since it uses less digits than its factorization.

65536977453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317403.

The product of its digits is 71442000, while the sum is 60.

The spelling of 65536977453 in words is "sixty-five billion, five hundred thirty-six million, nine hundred seventy-seven thousand, four hundred fifty-three".