18347957362948 has 6 divisors (see below), whose sum is σ = 32108925385166. Its totient is φ = 9173978681472.

The previous prime is 18347957362921. The next prime is 18347957362951. The reversal of 18347957362948 is 84926375974381.

It can be written as a sum of positive squares in only one way, i.e., 17036272760004 + 1311684602944 = 4127502^2 + 1145288^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2293494670365 + ... + 2293494670372.

Almost surely, 2^{18347957362948} is an apocalyptic number.

It is an amenable number.

18347957362948 is a deficient number, since it is larger than the sum of its proper divisors (13760968022218).

18347957362948 is a wasteful number, since it uses less digits than its factorization.

18347957362948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4586989340741 (or 4586989340739 counting only the distinct ones).

The product of its digits is 2194698240, while the sum is 76.

The spelling of 18347957362948 in words is "eighteen trillion, three hundred forty-seven billion, nine hundred fifty-seven million, three hundred sixty-two thousand, nine hundred forty-eight".