7422620013 has 6 divisors (see below), whose sum is σ = 10721562254. Its totient is φ = 4948413336.

The previous prime is 7422619999. The next prime is 7422620057. The reversal of 7422620013 is 3100262247.

7422620013 is a `hidden beast` number, since 7 + 4 + 22 + 620 + 0 + 13 = 666.

It can be written as a sum of positive squares in only one way, i.e., 7398236169 + 24383844 = 86013^2 + 4938^2 .

It is a de Polignac number, because none of the positive numbers 2^k-7422620013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7422620063) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 412367770 + ... + 412367787.

Almost surely, 2^7422620013 is an apocalyptic number.

It is an amenable number.

7422620013 is a deficient number, since it is larger than the sum of its proper divisors (3298942241).

7422620013 is a wasteful number, since it uses less digits than its factorization.

7422620013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824735563 (or 824735560 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 7422620013 is about 86154.6285059601. The cubic root of 7422620013 is about 1950.6787041812.

The spelling of 7422620013 in words is "seven billion, four hundred twenty-two million, six hundred twenty thousand, thirteen".