61839458980838 has 32 divisors (see below), whose sum is σ = 117373906268928. Its totient is φ = 23733694274400.

The previous prime is 61839458980837. The next prime is 61839458980841. The reversal of 61839458980838 is 83808985493816.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61839458980837) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2996668253 + ... + 2996688888.

It is an arithmetic number, because the mean of its divisors is an integer number (3667934570904).

Almost surely, 2^{61839458980838} is an apocalyptic number.

61839458980838 is a deficient number, since it is larger than the sum of its proper divisors (55534447288090).

61839458980838 is a wasteful number, since it uses less digits than its factorization.

61839458980838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5993357228.

The product of its (nonzero) digits is 2866544640, while the sum is 80.

The spelling of 61839458980838 in words is "sixty-one trillion, eight hundred thirty-nine billion, four hundred fifty-eight million, nine hundred eighty thousand, eight hundred thirty-eight".