64672450435 has 8 divisors (see below), whose sum is σ = 77765002416. Its totient is φ = 51632585760.

The previous prime is 64672450417. The next prime is 64672450441. The reversal of 64672450435 is 53405427646.

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

It is not a de Polignac number, because 64672450435 - 2⁹ = 64672449923 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 13169124 + ... + 13174033.

It is an arithmetic number, because the mean of its divisors is an integer number (9720625302).

Almost surely, 2^64672450435 is an apocalyptic number.

64672450435 is a deficient number, since it is larger than the sum of its proper divisors (13092551981).

64672450435 is a wasteful number, since it uses less digits than its factorization.

64672450435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26343653.

The product of its (nonzero) digits is 2419200, while the sum is 46.

The spelling of 64672450435 in words is "sixty-four billion, six hundred seventy-two million, four hundred fifty thousand, four hundred thirty-five".