149792969 has 2 divisors, whose sum is σ = 149792970. Its totient is φ = 149792968.

The previous prime is 149792939. The next prime is 149792971. The reversal of 149792969 is 969297941.

149792969 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 130256569 + 19536400 = 11413^2 + 4420^2 .

It is a cyclic number.

It is not a de Polignac number, because 149792969 - 2¹⁶ = 149727433 is a prime.

It is a super-2 number, since 2×149792969² = 44875867123669922, which contains 22 as substring.

Together with 149792971, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (149792939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74896484 + 74896485.

It is an arithmetic number, because the mean of its divisors is an integer number (74896485).

Almost surely, 2^149792969 is an apocalyptic number.

It is an amenable number.

149792969 is a deficient number, since it is larger than the sum of its proper divisors (1).

149792969 is an equidigital number, since it uses as much as digits as its factorization.

149792969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2204496, while the sum is 56.

The square root of 149792969 is about 12238.9937903408. The cubic root of 149792969 is about 531.0847239684.

The spelling of 149792969 in words is "one hundred forty-nine million, seven hundred ninety-two thousand, nine hundred sixty-nine".