469672657 has 4 divisors (see below), whose sum is σ = 469721700. Its totient is φ = 469623616.

The previous prime is 469672573. The next prime is 469672663. The reversal of 469672657 is 756276964.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 350775441 + 118897216 = 18729^2 + 10904^2 .

It is a cyclic number.

It is not a de Polignac number, because 469672657 - 2⁷ = 469672529 is a prime.

It is a super-4 number, since 4×469672657⁴ (a number of 36 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (469672667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4948 + ... + 31045.

It is an arithmetic number, because the mean of its divisors is an integer number (117430425).

Almost surely, 2^469672657 is an apocalyptic number.

It is an amenable number.

469672657 is a deficient number, since it is larger than the sum of its proper divisors (49043).

469672657 is a wasteful number, since it uses less digits than its factorization.

469672657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49042.

The product of its digits is 3810240, while the sum is 52.

The square root of 469672657 is about 21671.9324703636. The cubic root of 469672657 is about 777.3174653087.

The spelling of 469672657 in words is "four hundred sixty-nine million, six hundred seventy-two thousand, six hundred fifty-seven".