429881769 has 16 divisors (see below), whose sum is σ = 637597440. Its totient is φ = 286256880.

The previous prime is 429881741. The next prime is 429881779. The reversal of 429881769 is 967188924.

It is not a de Polignac number, because 429881769 - 2⁸ = 429881513 is a prime.

It is a super-2 number, since 2×429881769² = 369596670637138722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (429881779) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15859 + ... + 33335.

It is an arithmetic number, because the mean of its divisors is an integer number (39849840).

Almost surely, 2^429881769 is an apocalyptic number.

It is an amenable number.

429881769 is a deficient number, since it is larger than the sum of its proper divisors (207715671).

429881769 is a wasteful number, since it uses less digits than its factorization.

429881769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18397 (or 18391 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 54.

The square root of 429881769 is about 20733.5903547842. The cubic root of 429881769 is about 754.7150476500.

The spelling of 429881769 in words is "four hundred twenty-nine million, eight hundred eighty-one thousand, seven hundred sixty-nine".