429151969 has 2 divisors, whose sum is σ = 429151970. Its totient is φ = 429151968.

The previous prime is 429151901. The next prime is 429151973. The reversal of 429151969 is 969151924.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 253191744 + 175960225 = 15912^2 + 13265^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-429151969 is a prime.

It is a super-2 number, since 2×429151969² = 368342824993153922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (429151069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214575984 + 214575985.

It is an arithmetic number, because the mean of its divisors is an integer number (214575985).

Almost surely, 2^429151969 is an apocalyptic number.

It is an amenable number.

429151969 is a deficient number, since it is larger than the sum of its proper divisors (1).

429151969 is an equidigital number, since it uses as much as digits as its factorization.

429151969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 174960, while the sum is 46.

The square root of 429151969 is about 20715.9834186070. The cubic root of 429151969 is about 754.2877185066.

The spelling of 429151969 in words is "four hundred twenty-nine million, one hundred fifty-one thousand, nine hundred sixty-nine".