63613435401 has 8 divisors (see below), whose sum is σ = 94242126560. Its totient is φ = 42408956916.

The previous prime is 63613435381. The next prime is 63613435421. The reversal of 63613435401 is 10453431636.

63613435401 is a `hidden beast` number, since 6 + 3 + 613 + 4 + 35 + 4 + 0 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (63613435381) and next prime (63613435421).

It is not a de Polignac number, because 63613435401 - 2²² = 63609241097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63613435421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1178026555 + ... + 1178026608.

It is an arithmetic number, because the mean of its divisors is an integer number (11780265820).

Almost surely, 2^63613435401 is an apocalyptic number.

It is an amenable number.

63613435401 is a deficient number, since it is larger than the sum of its proper divisors (30628691159).

63613435401 is a wasteful number, since it uses less digits than its factorization.

63613435401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2356053172 (or 2356053166 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The spelling of 63613435401 in words is "sixty-three billion, six hundred thirteen million, four hundred thirty-five thousand, four hundred one".