63386900091 has 24 divisors (see below), whose sum is σ = 94192147296. Its totient is φ = 41058051840.

The previous prime is 63386900063. The next prime is 63386900119. The reversal of 63386900091 is 19000968336.

63386900091 is a `hidden beast` number, since 633 + 8 + 6 + 9 + 0 + 0 + 0 + 9 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (63386900063) and next prime (63386900119).

It is not a de Polignac number, because 63386900091 - 2⁷ = 63386899963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63386907091) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 595950 + ... + 694211.

It is an arithmetic number, because the mean of its divisors is an integer number (3924672804).

Almost surely, 2^63386900091 is an apocalyptic number.

63386900091 is a deficient number, since it is larger than the sum of its proper divisors (30805247205).

63386900091 is a wasteful number, since it uses less digits than its factorization.

63386900091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1290323 (or 1290320 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 45.

The spelling of 63386900091 in words is "sixty-three billion, three hundred eighty-six million, nine hundred thousand, ninety-one".