972613969 has 2 divisors, whose sum is σ = 972613970. Its totient is φ = 972613968.

The previous prime is 972613963. The next prime is 972613973. The reversal of 972613969 is 969316279.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 907214400 + 65399569 = 30120^2 + 8087^2 .

It is a cyclic number.

It is not a de Polignac number, because 972613969 - 2⁹ = 972613457 is a prime.

It is a super-2 number, since 2×972613969² = 1891955865387865922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (972613963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 486306984 + 486306985.

It is an arithmetic number, because the mean of its divisors is an integer number (486306985).

Almost surely, 2^972613969 is an apocalyptic number.

It is an amenable number.

972613969 is a deficient number, since it is larger than the sum of its proper divisors (1).

972613969 is an equidigital number, since it uses as much as digits as its factorization.

972613969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1102248, while the sum is 52.

The square root of 972613969 is about 31186.7595142554. The cubic root of 972613969 is about 990.7866987706.

The spelling of 972613969 in words is "nine hundred seventy-two million, six hundred thirteen thousand, nine hundred sixty-nine".