63660807319 has 8 divisors (see below), whose sum is σ = 64711543680. Its totient is φ = 62614351800.

The previous prime is 63660807311. The next prime is 63660807349. The reversal of 63660807319 is 91370806636.

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

It is a cyclic number.

It is not a de Polignac number, because 63660807319 - 2³ = 63660807311 is a prime.

It is a super-2 number, since 2×63660807319² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63660807311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1040217 + ... + 1099714.

It is an arithmetic number, because the mean of its divisors is an integer number (8088942960).

Almost surely, 2^63660807319 is an apocalyptic number.

63660807319 is a deficient number, since it is larger than the sum of its proper divisors (1050736361).

63660807319 is a wasteful number, since it uses less digits than its factorization.

63660807319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2140421.

The product of its (nonzero) digits is 979776, while the sum is 49.

The spelling of 63660807319 in words is "sixty-three billion, six hundred sixty million, eight hundred seven thousand, three hundred nineteen".