64932421501 has 8 divisors (see below), whose sum is σ = 66922352640. Its totient is φ = 62967840048.

The previous prime is 64932421483. The next prime is 64932421517. The reversal of 64932421501 is 10512423946.

It is a happy number.

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 64932421501 - 2¹³ = 64932413309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64932421531) 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, 6332221 + ... + 6342466.

It is an arithmetic number, because the mean of its divisors is an integer number (8365294080).

Almost surely, 2^64932421501 is an apocalyptic number.

It is an amenable number.

64932421501 is a deficient number, since it is larger than the sum of its proper divisors (1989931139).

64932421501 is a wasteful number, since it uses less digits than its factorization.

64932421501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12674843.

The product of its (nonzero) digits is 51840, while the sum is 37.

The spelling of 64932421501 in words is "sixty-four billion, nine hundred thirty-two million, four hundred twenty-one thousand, five hundred one".