64355263530 has 16 divisors (see below), whose sum is σ = 154452632544. Its totient is φ = 17161403600.

The previous prime is 64355263523. The next prime is 64355263549. The reversal of 64355263530 is 3536255346.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1072587696 + ... + 1072587755.

It is an arithmetic number, because the mean of its divisors is an integer number (9653289534).

Almost surely, 2^64355263530 is an apocalyptic number.

64355263530 is an abundant number, since it is smaller than the sum of its proper divisors (90097369014).

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

64355263530 is a wasteful number, since it uses less digits than its factorization.

64355263530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2145175461.

The product of its (nonzero) digits is 972000, while the sum is 42.

The spelling of 64355263530 in words is "sixty-four billion, three hundred fifty-five million, two hundred sixty-three thousand, five hundred thirty".