5622978931 has 2 divisors, whose sum is σ = 5622978932. Its totient is φ = 5622978930.

The previous prime is 5622978917. The next prime is 5622978961. The reversal of 5622978931 is 1398792265.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5622978931 is a prime.

It is a super-3 number, since 3×5622978931³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (5622978901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2811489465 + 2811489466.

It is an arithmetic number, because the mean of its divisors is an integer number (2811489466).

Almost surely, 2^5622978931 is an apocalyptic number.

5622978931 is a deficient number, since it is larger than the sum of its proper divisors (1).

5622978931 is an equidigital number, since it uses as much as digits as its factorization.

5622978931 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1632960, while the sum is 52.

The square root of 5622978931 is about 74986.5249961618. The cubic root of 5622978931 is about 1778.2336274172.

The spelling of 5622978931 in words is "five billion, six hundred twenty-two million, nine hundred seventy-eight thousand, nine hundred thirty-one".