61493454038 has 16 divisors (see below), whose sum is σ = 92447559360. Its totient is φ = 30677641416.

The previous prime is 61493454037. The next prime is 61493454089. The reversal of 61493454038 is 83045439416.

61493454038 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 61493453983 and 61493454001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61493454037) 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, 3819281 + ... + 3835347.

It is an arithmetic number, because the mean of its divisors is an integer number (5777972460).

Almost surely, 2^61493454038 is an apocalyptic number.

61493454038 is a deficient number, since it is larger than the sum of its proper divisors (30954105322).

61493454038 is a wasteful number, since it uses less digits than its factorization.

61493454038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20251.

The product of its (nonzero) digits is 1244160, while the sum is 47.

The spelling of 61493454038 in words is "sixty-one billion, four hundred ninety-three million, four hundred fifty-four thousand, thirty-eight".