63605400770 has 16 divisors (see below), whose sum is σ = 114754139640. Its totient is φ = 25383400704.

The previous prime is 63605400763. The next prime is 63605400773. The reversal of 63605400770 is 7700450636.

It can be written as a sum of positive squares in 4 ways, for example, as 51697571641 + 11907829129 = 227371^2 + 109123^2 .

It is a super-2 number, since 2×63605400770² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (63605400773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7340405 + ... + 7349064.

Almost surely, 2^63605400770 is an apocalyptic number.

63605400770 is a deficient number, since it is larger than the sum of its proper divisors (51148738870).

63605400770 is a wasteful number, since it uses less digits than its factorization.

63605400770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14689909.

The product of its (nonzero) digits is 105840, while the sum is 38.

The spelling of 63605400770 in words is "sixty-three billion, six hundred five million, four hundred thousand, seven hundred seventy".