469345661 has 4 divisors (see below), whose sum is σ = 475000512. Its totient is φ = 463690812.

The previous prime is 469345631. The next prime is 469345663. The reversal of 469345661 is 166543964.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 469345661 - 2¹⁰ = 469344637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (469345663) 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, 2827301 + ... + 2827466.

It is an arithmetic number, because the mean of its divisors is an integer number (118750128).

Almost surely, 2^469345661 is an apocalyptic number.

It is an amenable number.

469345661 is a deficient number, since it is larger than the sum of its proper divisors (5654851).

469345661 is an equidigital number, since it uses as much as digits as its factorization.

469345661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5654850.

The product of its digits is 466560, while the sum is 44.

The square root of 469345661 is about 21664.3869287825. The cubic root of 469345661 is about 777.1370284950.

The spelling of 469345661 in words is "four hundred sixty-nine million, three hundred forty-five thousand, six hundred sixty-one".