10622944391 has 2 divisors, whose sum is σ = 10622944392. Its totient is φ = 10622944390.

The previous prime is 10622944379. The next prime is 10622944399. The reversal of 10622944391 is 19344922601.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10622944391 is a prime.

It is a super-2 number, since 2×10622944391² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10622944399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5311472195 + 5311472196.

It is an arithmetic number, because the mean of its divisors is an integer number (5311472196).

Almost surely, 2^10622944391 is an apocalyptic number.

10622944391 is a deficient number, since it is larger than the sum of its proper divisors (1).

10622944391 is an equidigital number, since it uses as much as digits as its factorization.

10622944391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 41.

The spelling of 10622944391 in words is "ten billion, six hundred twenty-two million, nine hundred forty-four thousand, three hundred ninety-one".