61373018839 has 8 divisors (see below), whose sum is σ = 67121034768. Its totient is φ = 55653111360.

The previous prime is 61373018807. The next prime is 61373018879. The reversal of 61373018839 is 93881037316.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 61373018839 - 2⁵ = 61373018807 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61373018792 and 61373018801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61373018879) 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, 7022542 + ... + 7031275.

It is an arithmetic number, because the mean of its divisors is an integer number (8390129346).

Almost surely, 2^61373018839 is an apocalyptic number.

61373018839 is a deficient number, since it is larger than the sum of its proper divisors (5748015929).

61373018839 is a wasteful number, since it uses less digits than its factorization.

61373018839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14054225.

The product of its (nonzero) digits is 653184, while the sum is 49.

The spelling of 61373018839 in words is "sixty-one billion, three hundred seventy-three million, eighteen thousand, eight hundred thirty-nine".