61463603756 has 12 divisors (see below), whose sum is σ = 107606460192. Its totient is φ = 30718900848.

The previous prime is 61463603749. The next prime is 61463603771. The reversal of 61463603756 is 65730636416.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 61463603756.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3214535 + ... + 3233598.

It is an arithmetic number, because the mean of its divisors is an integer number (8967205016).

Almost surely, 2^61463603756 is an apocalyptic number.

It is an amenable number.

61463603756 is a deficient number, since it is larger than the sum of its proper divisors (46142856436).

61463603756 is a wasteful number, since it uses less digits than its factorization.

61463603756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6450520 (or 6450518 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 47.

The spelling of 61463603756 in words is "sixty-one billion, four hundred sixty-three million, six hundred three thousand, seven hundred fifty-six".