63845656612054 has 4 divisors (see below), whose sum is σ = 95768484918084. Its totient is φ = 31922828306026.

The previous prime is 63845656612021. The next prime is 63845656612093. The reversal of 63845656612054 is 45021665654836.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 63845656611983 and 63845656612001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15961414153012 + ... + 15961414153015.

It is an arithmetic number, because the mean of its divisors is an integer number (23942121229521).

Almost surely, 2^{63845656612054} is an apocalyptic number.

63845656612054 is a deficient number, since it is larger than the sum of its proper divisors (31922828306030).

63845656612054 is a wasteful number, since it uses less digits than its factorization.

63845656612054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31922828306029.

The product of its (nonzero) digits is 124416000, while the sum is 61.

The spelling of 63845656612054 in words is "sixty-three trillion, eight hundred forty-five billion, six hundred fifty-six million, six hundred twelve thousand, fifty-four".