469772139 has 8 divisors (see below), whose sum is σ = 635185152. Its totient is φ = 308770280.

The previous prime is 469772123. The next prime is 469772141. The reversal of 469772139 is 931277964.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 469772139 - 2⁴ = 469772123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (469772159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1102539 + ... + 1102964.

It is an arithmetic number, because the mean of its divisors is an integer number (79398144).

Almost surely, 2^469772139 is an apocalyptic number.

469772139 is a deficient number, since it is larger than the sum of its proper divisors (165413013).

469772139 is a wasteful number, since it uses less digits than its factorization.

469772139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2205577.

The product of its digits is 571536, while the sum is 48.

The square root of 469772139 is about 21674.2275294876. The cubic root of 469772139 is about 777.3723429884.

The spelling of 469772139 in words is "four hundred sixty-nine million, seven hundred seventy-two thousand, one hundred thirty-nine".