63215373951460 has 48 divisors (see below), whose sum is σ = 135991184902272. Its totient is φ = 24669225747200.

The previous prime is 63215373951451. The next prime is 63215373951461. The reversal of 63215373951460 is 6415937351236.

It is a happy number.

It is a super-2 number, since 2×63215373951460² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (63215373951461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160795089 + ... + 161187751.

It is an arithmetic number, because the mean of its divisors is an integer number (2833149685464).

Almost surely, 2^{63215373951460} is an apocalyptic number.

It is an amenable number.

63215373951460 is an abundant number, since it is smaller than the sum of its proper divisors (72775810950812).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63215373951460 is a wasteful number, since it uses less digits than its factorization.

63215373951460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589044 (or 589042 counting only the distinct ones).

The product of its (nonzero) digits is 12247200, while the sum is 55.

The spelling of 63215373951460 in words is "sixty-three trillion, two hundred fifteen billion, three hundred seventy-three million, nine hundred fifty-one thousand, four hundred sixty".