429897137 has 2 divisors, whose sum is σ = 429897138. Its totient is φ = 429897136.

The previous prime is 429897079. The next prime is 429897157. The reversal of 429897137 is 731798924.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 398042401 + 31854736 = 19951^2 + 5644^2 .

It is a cyclic number.

It is not a de Polignac number, because 429897137 - 2¹⁶ = 429831601 is a prime.

It is not a weakly prime, because it can be changed into another prime (429897157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214948568 + 214948569.

It is an arithmetic number, because the mean of its divisors is an integer number (214948569).

Almost surely, 2^429897137 is an apocalyptic number.

It is an amenable number.

429897137 is a deficient number, since it is larger than the sum of its proper divisors (1).

429897137 is an equidigital number, since it uses as much as digits as its factorization.

429897137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 762048, while the sum is 50.

The square root of 429897137 is about 20733.9609578103. The cubic root of 429897137 is about 754.7240410706.

It can be divided in two parts, 429897 and 137, that added together give a palindrome (430034).

The spelling of 429897137 in words is "four hundred twenty-nine million, eight hundred ninety-seven thousand, one hundred thirty-seven".