64403461235 has 16 divisors (see below), whose sum is σ = 78360149856. Its totient is φ = 50805750528.

The previous prime is 64403461229. The next prime is 64403461237. The reversal of 64403461235 is 53216430446.

It is a cyclic number.

It is not a de Polignac number, because 64403461235 - 2²² = 64399266931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64403461237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1890977 + ... + 1924733.

It is an arithmetic number, because the mean of its divisors is an integer number (4897509366).

Almost surely, 2^64403461235 is an apocalyptic number.

64403461235 is a deficient number, since it is larger than the sum of its proper divisors (13956688621).

64403461235 is a wasteful number, since it uses less digits than its factorization.

64403461235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39062.

The product of its (nonzero) digits is 207360, while the sum is 38.

The spelling of 64403461235 in words is "sixty-four billion, four hundred three million, four hundred sixty-one thousand, two hundred thirty-five".