64982746531 has 8 divisors (see below), whose sum is σ = 65772068544. Its totient is φ = 64193577000.

The previous prime is 64982746511. The next prime is 64982746559. The reversal of 64982746531 is 13564728946.

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

It is a cyclic number.

It is not a de Polignac number, because 64982746531 - 2¹⁹ = 64982222243 is a prime.

It is a super-2 number, since 2×64982746531² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64982746501) 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, 984880 + ... + 1048786.

It is an arithmetic number, because the mean of its divisors is an integer number (8221508568).

Almost surely, 2^64982746531 is an apocalyptic number.

64982746531 is a deficient number, since it is larger than the sum of its proper divisors (789322013).

64982746531 is a wasteful number, since it uses less digits than its factorization.

64982746531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76241.

The product of its digits is 8709120, while the sum is 55.

The spelling of 64982746531 in words is "sixty-four billion, nine hundred eighty-two million, seven hundred forty-six thousand, five hundred thirty-one".