469155249 has 6 divisors (see below), whose sum is σ = 677668706. Its totient is φ = 312770160.

The previous prime is 469155233. The next prime is 469155263. The reversal of 469155249 is 942551964.

469155249 is a `hidden beast` number, since 4 + 6 + 91 + 552 + 4 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 469025649 + 129600 = 21657^2 + 360^2 .

It is not a de Polignac number, because 469155249 - 2⁴ = 469155233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (469155949) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26064172 + ... + 26064189.

Almost surely, 2^469155249 is an apocalyptic number.

It is an amenable number.

469155249 is a deficient number, since it is larger than the sum of its proper divisors (208513457).

469155249 is a wasteful number, since it uses less digits than its factorization.

469155249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52128367 (or 52128364 counting only the distinct ones).

The product of its digits is 388800, while the sum is 45.

The square root of 469155249 is about 21659.9918975054. The cubic root of 469155249 is about 777.0319202959.

The spelling of 469155249 in words is "four hundred sixty-nine million, one hundred fifty-five thousand, two hundred forty-nine".