61753034238 has 16 divisors (see below), whose sum is σ = 141149792640. Its totient is φ = 17643724056.

The previous prime is 61753034201. The next prime is 61753034261. The reversal of 61753034238 is 83243035716.

61753034238 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 1470310339 = 61753034238 / (6 + 1 + 7 + 5 + 3 + 0 + 3 + 4 + 2 + 3 + 8).

It is a self number, because there is not a number n which added to its sum of digits gives 61753034238.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 735155128 + ... + 735155211.

It is an arithmetic number, because the mean of its divisors is an integer number (8821862040).

Almost surely, 2^61753034238 is an apocalyptic number.

61753034238 is an abundant number, since it is smaller than the sum of its proper divisors (79396758402).

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

61753034238 is a wasteful number, since it uses less digits than its factorization.

61753034238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1470310351.

The product of its (nonzero) digits is 362880, while the sum is 42.

The spelling of 61753034238 in words is "sixty-one billion, seven hundred fifty-three million, thirty-four thousand, two hundred thirty-eight".