64431464130 has 48 divisors (see below), whose sum is σ = 182751064704. Its totient is φ = 15619748640.

The previous prime is 64431464117. The next prime is 64431464143. The reversal of 64431464130 is 3146413446.

64431464130 is a `hidden beast` number, since 6 + 4 + 4 + 3 + 1 + 4 + 641 + 3 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (64431464117) and next prime (64431464143).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32540154 + ... + 32542133.

It is an arithmetic number, because the mean of its divisors is an integer number (3807313848).

Almost surely, 2^64431464130 is an apocalyptic number.

64431464130 is an abundant number, since it is smaller than the sum of its proper divisors (118319600574).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64431464130 is a wasteful number, since it uses less digits than its factorization.

64431464130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65082311 (or 65082308 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

Adding to 64431464130 its reverse (3146413446), we get a palindrome (67577877576).

The spelling of 64431464130 in words is "sixty-four billion, four hundred thirty-one million, four hundred sixty-four thousand, one hundred thirty".