323749495988 has 6 divisors (see below), whose sum is σ = 566561617986. Its totient is φ = 161874747992.

The previous prime is 323749495981. The next prime is 323749495991. The reversal of 323749495988 is 889594947323.

It can be written as a sum of positive squares in only one way, i.e., 309356215204 + 14393280784 = 556198^2 + 119972^2 .

It is a super-2 number, since 2×323749495988² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323749495981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40468686995 + ... + 40468687002.

It is an arithmetic number, because the mean of its divisors is an integer number (94426936331).

Almost surely, 2^323749495988 is an apocalyptic number.

It is an amenable number.

323749495988 is a deficient number, since it is larger than the sum of its proper divisors (242812121998).

323749495988 is a wasteful number, since it uses less digits than its factorization.

323749495988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80937374001 (or 80937373999 counting only the distinct ones).

The product of its digits is 470292480, while the sum is 71.

The spelling of 323749495988 in words is "three hundred twenty-three billion, seven hundred forty-nine million, four hundred ninety-five thousand, nine hundred eighty-eight".