479142069 has 8 divisors (see below), whose sum is σ = 730121280. Its totient is φ = 273795456.

The previous prime is 479142067. The next prime is 479142071. The reversal of 479142069 is 960241974.

It is an interprime number because it is at equal distance from previous prime (479142067) and next prime (479142071).

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

It is not a de Polignac number, because 479142069 - 2¹ = 479142067 is a prime.

It is a super-2 number, since 2×479142069² = 459154244571201522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 479142069.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (479142061) 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, 11408124 + ... + 11408165.

It is an arithmetic number, because the mean of its divisors is an integer number (91265160).

Almost surely, 2^479142069 is an apocalyptic number.

It is an amenable number.

479142069 is a deficient number, since it is larger than the sum of its proper divisors (250979211).

479142069 is a wasteful number, since it uses less digits than its factorization.

479142069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22816299.

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 479142069 is about 21889.3140367623. The cubic root of 479142069 is about 782.5067658232.

The spelling of 479142069 in words is "four hundred seventy-nine million, one hundred forty-two thousand, sixty-nine".