63799390763091 has 32 divisors (see below), whose sum is σ = 99197176389120. Its totient is φ = 40448503684512.

The previous prime is 63799390763083. The next prime is 63799390763111. The reversal of 63799390763091 is 19036709399736.

63799390763091 is a `hidden beast` number, since 6 + 3 + 7 + 99 + 390 + 7 + 63 + 0 + 91 = 666.

It is not a de Polignac number, because 63799390763091 - 2³ = 63799390763083 is a prime.

It is a super-2 number, since 2×63799390763091² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (63799390763011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 296818981 + ... + 297033846.

It is an arithmetic number, because the mean of its divisors is an integer number (3099911762160).

Almost surely, 2^{63799390763091} is an apocalyptic number.

63799390763091 is a deficient number, since it is larger than the sum of its proper divisors (35397785626029).

63799390763091 is a wasteful number, since it uses less digits than its factorization.

63799390763091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593853032 (or 593853026 counting only the distinct ones).

The product of its (nonzero) digits is 312487308, while the sum is 72.

The spelling of 63799390763091 in words is "sixty-three trillion, seven hundred ninety-nine billion, three hundred ninety million, seven hundred sixty-three thousand, ninety-one".