469919645 has 16 divisors (see below), whose sum is σ = 608966400. Its totient is φ = 346054464.

The previous prime is 469919641. The next prime is 469919651. The reversal of 469919645 is 546919964.

It is a cyclic number.

It is not a de Polignac number, because 469919645 - 2² = 469919641 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (469919641) 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, 14006 + ... + 33704.

It is an arithmetic number, because the mean of its divisors is an integer number (38060400).

Almost surely, 2^469919645 is an apocalyptic number.

It is an amenable number.

469919645 is a deficient number, since it is larger than the sum of its proper divisors (139046755).

469919645 is a wasteful number, since it uses less digits than its factorization.

469919645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20084.

The product of its digits is 2099520, while the sum is 53.

The square root of 469919645 is about 21677.6300595799. The cubic root of 469919645 is about 777.4536980936.

The spelling of 469919645 in words is "four hundred sixty-nine million, nine hundred nineteen thousand, six hundred forty-five".