429988913 has 2 divisors, whose sum is σ = 429988914. Its totient is φ = 429988912.

The previous prime is 429988883. The next prime is 429988919. The reversal of 429988913 is 319889924.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 217179169 + 212809744 = 14737^2 + 14588^2 .

It is a cyclic number.

It is not a de Polignac number, because 429988913 - 2¹² = 429984817 is a prime.

It is not a weakly prime, because it can be changed into another prime (429988919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214994456 + 214994457.

It is an arithmetic number, because the mean of its divisors is an integer number (214994457).

Almost surely, 2^429988913 is an apocalyptic number.

It is an amenable number.

429988913 is a deficient number, since it is larger than the sum of its proper divisors (1).

429988913 is an equidigital number, since it uses as much as digits as its factorization.

429988913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1119744, while the sum is 53.

The square root of 429988913 is about 20736.1740202960. The cubic root of 429988913 is about 754.7777443243. Note that the first 4 decimals are identical.

The spelling of 429988913 in words is "four hundred twenty-nine million, nine hundred eighty-eight thousand, nine hundred thirteen".