61323738488 has 16 divisors (see below), whose sum is σ = 118946907000. Its totient is φ = 29604563296.

The previous prime is 61323738481. The next prime is 61323738527. The reversal of 61323738488 is 88483732316.

It is a super-2 number, since 2×61323738488² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61323738481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132162998 + ... + 132163461.

Almost surely, 2^61323738488 is an apocalyptic number.

It is an amenable number.

61323738488 is a deficient number, since it is larger than the sum of its proper divisors (57623168512).

61323738488 is a wasteful number, since it uses less digits than its factorization.

61323738488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264326494 (or 264326490 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 53.

The spelling of 61323738488 in words is "sixty-one billion, three hundred twenty-three million, seven hundred thirty-eight thousand, four hundred eighty-eight".