2972538917 has 2 divisors, whose sum is σ = 2972538918. Its totient is φ = 2972538916.

The previous prime is 2972538913. The next prime is 2972538953. The reversal of 2972538917 is 7198352792.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2441743396 + 530795521 = 49414^2 + 23039^2 .

It is a cyclic number.

It is not a de Polignac number, because 2972538917 - 2² = 2972538913 is a prime.

It is a super-2 number, since 2×2972538917² = 17671975226159065778, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2972538911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1486269458 + 1486269459.

It is an arithmetic number, because the mean of its divisors is an integer number (1486269459).

Almost surely, 2^2972538917 is an apocalyptic number.

It is an amenable number.

2972538917 is a deficient number, since it is larger than the sum of its proper divisors (1).

2972538917 is an equidigital number, since it uses as much as digits as its factorization.

2972538917 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1905120, while the sum is 53.

The square root of 2972538917 is about 54520.9951945120. The cubic root of 2972538917 is about 1437.8354370022.

The spelling of 2972538917 in words is "two billion, nine hundred seventy-two million, five hundred thirty-eight thousand, nine hundred seventeen".