63605426772 has 24 divisors (see below), whose sum is σ = 148592144736. Its totient is φ = 21176168608.

The previous prime is 63605426761. The next prime is 63605426777. The reversal of 63605426772 is 27762450636.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63605426777) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3194703 + ... + 3214550.

It is an arithmetic number, because the mean of its divisors is an integer number (6191339364).

Almost surely, 2^63605426772 is an apocalyptic number.

It is an amenable number.

63605426772 is an abundant number, since it is smaller than the sum of its proper divisors (84986717964).

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

63605426772 is a wasteful number, since it uses less digits than its factorization.

63605426772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6410087 (or 6410085 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 48.

The spelling of 63605426772 in words is "sixty-three billion, six hundred five million, four hundred twenty-six thousand, seven hundred seventy-two".