469820691 has 12 divisors (see below), whose sum is σ = 683186400. Its totient is φ = 311110800.

The previous prime is 469820671. The next prime is 469820693. The reversal of 469820691 is 196028964.

It is a happy number.

It is not a de Polignac number, because 469820691 - 2²⁷ = 335602963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (469820693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 173835 + ... + 176516.

It is an arithmetic number, because the mean of its divisors is an integer number (56932200).

Almost surely, 2^469820691 is an apocalyptic number.

469820691 is a deficient number, since it is larger than the sum of its proper divisors (213365709).

469820691 is a wasteful number, since it uses less digits than its factorization.

469820691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350506 (or 350503 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 469820691 is about 21675.3475404663. The cubic root of 469820691 is about 777.3991231219.

The spelling of 469820691 in words is "four hundred sixty-nine million, eight hundred twenty thousand, six hundred ninety-one".