997411969 has 2 divisors, whose sum is σ = 997411970. Its totient is φ = 997411968.

The previous prime is 997411939. The next prime is 997412023. The reversal of 997411969 is 969114799.

997411969 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 550512369 + 446899600 = 23463^2 + 21140^2 .

It is a cyclic number.

It is not a de Polignac number, because 997411969 - 2¹³ = 997403777 is a prime.

It is a super-2 number, since 2×997411969² = 1989661271808913922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (997411939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 498705984 + 498705985.

It is an arithmetic number, because the mean of its divisors is an integer number (498705985).

Almost surely, 2^997411969 is an apocalyptic number.

It is an amenable number.

997411969 is a deficient number, since it is larger than the sum of its proper divisors (1).

997411969 is an equidigital number, since it uses as much as digits as its factorization.

997411969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1102248, while the sum is 55.

The square root of 997411969 is about 31581.8297285005. The cubic root of 997411969 is about 999.1365777165.

The spelling of 997411969 in words is "nine hundred ninety-seven million, four hundred eleven thousand, nine hundred sixty-nine".