63614315391 has 16 divisors (see below), whose sum is σ = 93236254848. Its totient is φ = 38259821600.

The previous prime is 63614315381. The next prime is 63614315419. The reversal of 63614315391 is 19351341636.

It is not a de Polignac number, because 63614315391 - 2⁶ = 63614315327 is a prime.

It is a super-2 number, since 2×63614315391² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63614315381) 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, 7353336 + ... + 7361981.

It is an arithmetic number, because the mean of its divisors is an integer number (5827265928).

Almost surely, 2^63614315391 is an apocalyptic number.

63614315391 is a deficient number, since it is larger than the sum of its proper divisors (29621939457).

63614315391 is a wasteful number, since it uses less digits than its factorization.

63614315391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14715462.

The product of its digits is 174960, while the sum is 42.

The spelling of 63614315391 in words is "sixty-three billion, six hundred fourteen million, three hundred fifteen thousand, three hundred ninety-one".