61338098044 has 54 divisors (see below), whose sum is σ = 115951252704. Its totient is φ = 28359943920.

The previous prime is 61338098039. The next prime is 61338098047. The reversal of 61338098044 is 44089083316.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a junction number, because it is equal to n+sod(n) for n = 61338097985 and 61338098003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61338098047) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 63430849 + ... + 63431815.

Almost surely, 2^61338098044 is an apocalyptic number.

It is an amenable number.

61338098044 is a deficient number, since it is larger than the sum of its proper divisors (54613154660).

61338098044 is an equidigital number, since it uses as much as digits as its factorization.

61338098044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2015 (or 1023 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 46.

The spelling of 61338098044 in words is "sixty-one billion, three hundred thirty-eight million, ninety-eight thousand, forty-four".