3121622989407 has 24 divisors (see below), whose sum is σ = 4922376599504. Its totient is φ = 1894683705984.

The previous prime is 3121622989369. The next prime is 3121622989417. The reversal of 3121622989407 is 7049892261213.

3121622989407 is a `hidden beast` number, since 3 + 1 + 2 + 1 + 6 + 229 + 8 + 9 + 407 = 666.

It is not a de Polignac number, because 3121622989407 - 2⁶ = 3121622989343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3121622989417) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 182734873 + ... + 182751954.

Almost surely, 2^{3121622989407} is an apocalyptic number.

3121622989407 is a deficient number, since it is larger than the sum of its proper divisors (1800753610097).

3121622989407 is a wasteful number, since it uses less digits than its factorization.

3121622989407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365486919 (or 365486916 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 54.

The spelling of 3121622989407 in words is "three trillion, one hundred twenty-one billion, six hundred twenty-two million, nine hundred eighty-nine thousand, four hundred seven".