63215723113645 has 16 divisors (see below), whose sum is σ = 76819671452160. Its totient is φ = 49932052095744.

The previous prime is 63215723113619. The next prime is 63215723113657. The reversal of 63215723113645 is 54631132751236.

It is a cyclic number.

It is not a de Polignac number, because 63215723113645 - 2³⁹ = 62665967299757 is a prime.

It is a super-3 number, since 3×63215723113645³ (a number of 42 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61470672 + ... + 62490598.

It is an arithmetic number, because the mean of its divisors is an integer number (4801229465760).

Almost surely, 2^{63215723113645} is an apocalyptic number.

It is an amenable number.

63215723113645 is a deficient number, since it is larger than the sum of its proper divisors (13603948338515).

63215723113645 is a wasteful number, since it uses less digits than its factorization.

63215723113645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1176924.

The product of its digits is 2721600, while the sum is 49.

The spelling of 63215723113645 in words is "sixty-three trillion, two hundred fifteen billion, seven hundred twenty-three million, one hundred thirteen thousand, six hundred forty-five".