63390885290 has 32 divisors (see below), whose sum is σ = 117216478080. Its totient is φ = 24664941504.

The previous prime is 63390885287. The next prime is 63390885293. The reversal of 63390885290 is 9258809336.

It is an interprime number because it is at equal distance from previous prime (63390885287) and next prime (63390885293).

It is not an unprimeable number, because it can be changed into a prime (63390885293) 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, 1654571 + ... + 1692449.

It is an arithmetic number, because the mean of its divisors is an integer number (3663014940).

Almost surely, 2^63390885290 is an apocalyptic number.

63390885290 is a deficient number, since it is larger than the sum of its proper divisors (53825592790).

63390885290 is a wasteful number, since it uses less digits than its factorization.

63390885290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42446.

The product of its (nonzero) digits is 2799360, while the sum is 53.

The spelling of 63390885290 in words is "sixty-three billion, three hundred ninety million, eight hundred eighty-five thousand, two hundred ninety".