429721263 has 6 divisors (see below), whose sum is σ = 620708504. Its totient is φ = 286480836.

The previous prime is 429721261. The next prime is 429721267. The reversal of 429721263 is 362127924.

It is not a de Polignac number, because 429721263 - 2¹ = 429721261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (429721261) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23873395 + ... + 23873412.

Almost surely, 2^429721263 is an apocalyptic number.

429721263 is a deficient number, since it is larger than the sum of its proper divisors (190987241).

429721263 is a wasteful number, since it uses less digits than its factorization.

429721263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47746813 (or 47746810 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 429721263 is about 20729.7193179261. The cubic root of 429721263 is about 754.6211060272.

The spelling of 429721263 in words is "four hundred twenty-nine million, seven hundred twenty-one thousand, two hundred sixty-three".