3181749670401 has 16 divisors (see below), whose sum is σ = 4246550869440. Its totient is φ = 2119058484480.

The previous prime is 3181749670343. The next prime is 3181749670427. The reversal of 3181749670401 is 1040769471813.

It is not a de Polignac number, because 3181749670401 - 2¹³ = 3181749662209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3181749670471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12491445 + ... + 12743613.

It is an arithmetic number, because the mean of its divisors is an integer number (265409429340).

Almost surely, 2^{3181749670401} is an apocalyptic number.

It is an amenable number.

3181749670401 is a deficient number, since it is larger than the sum of its proper divisors (1064801199039).

3181749670401 is a wasteful number, since it uses less digits than its factorization.

3181749670401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256336.

The product of its (nonzero) digits is 1016064, while the sum is 51.

The spelling of 3181749670401 in words is "three trillion, one hundred eighty-one billion, seven hundred forty-nine million, six hundred seventy thousand, four hundred one".