64531446130 has 8 divisors (see below), whose sum is σ = 116156603052. Its totient is φ = 25812578448.

The previous prime is 64531446113. The next prime is 64531446167. The reversal of 64531446130 is 3164413546.

It can be written as a sum of positive squares in 2 ways, for example, as 59679069849 + 4852376281 = 244293^2 + 69659^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 64531446130.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3226572297 + ... + 3226572316.

Almost surely, 2^64531446130 is an apocalyptic number.

64531446130 is a deficient number, since it is larger than the sum of its proper divisors (51625156922).

64531446130 is a wasteful number, since it uses less digits than its factorization.

64531446130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6453144620.

The product of its (nonzero) digits is 103680, while the sum is 37.

Adding to 64531446130 its reverse (3164413546), we get a palindrome (67695859676).

The spelling of 64531446130 in words is "sixty-four billion, five hundred thirty-one million, four hundred forty-six thousand, one hundred thirty".