61741541744 has 60 divisors (see below), whose sum is σ = 123442742016. Its totient is φ = 29913601536.

The previous prime is 61741541723. The next prime is 61741541773. The reversal of 61741541744 is 44714514716.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 61741541695 and 61741541704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3748952 + ... + 3765384.

Almost surely, 2^61741541744 is an apocalyptic number.

It is an amenable number.

61741541744 is a deficient number, since it is larger than the sum of its proper divisors (61701200272).

61741541744 is a wasteful number, since it uses less digits than its factorization.

61741541744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16654 (or 16605 counting only the distinct ones).

The product of its digits is 376320, while the sum is 44.

The spelling of 61741541744 in words is "sixty-one billion, seven hundred forty-one million, five hundred forty-one thousand, seven hundred forty-four".