429849769 has 16 divisors (see below), whose sum is σ = 446768784. Its totient is φ = 413337600.

The previous prime is 429849767. The next prime is 429849821. The reversal of 429849769 is 967948924.

It can be written as a sum of positive squares in 8 ways, for example, as 15116544 + 414733225 = 3888^2 + 20365^2 .

It is a cyclic number.

It is not a de Polignac number, because 429849769 - 2¹ = 429849767 is a prime.

It is a super-2 number, since 2×429849769² = 369541647818706722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (429849767) 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, 932199 + ... + 932659.

It is an arithmetic number, because the mean of its divisors is an integer number (27923049).

Almost surely, 2^429849769 is an apocalyptic number.

It is an amenable number.

429849769 is a deficient number, since it is larger than the sum of its proper divisors (16919015).

429849769 is a wasteful number, since it uses less digits than its factorization.

429849769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 828.

The product of its digits is 7838208, while the sum is 58.

The square root of 429849769 is about 20732.8186458089. The cubic root of 429849769 is about 754.6963204227.

The spelling of 429849769 in words is "four hundred twenty-nine million, eight hundred forty-nine thousand, seven hundred sixty-nine".