3129472569 has 8 divisors (see below), whose sum is σ = 4241034112. Its totient is φ = 2052113040.

The previous prime is 3129472519. The next prime is 3129472579. The reversal of 3129472569 is 9652749213.

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

It is not a de Polignac number, because 3129472569 - 2⁷ = 3129472441 is a prime.

It is a super-2 number, since 2×3129472569² = 19587197120246919522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3129472519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8550289 + ... + 8550654.

It is an arithmetic number, because the mean of its divisors is an integer number (530129264).

Almost surely, 2^3129472569 is an apocalyptic number.

It is an amenable number.

3129472569 is a deficient number, since it is larger than the sum of its proper divisors (1111561543).

3129472569 is a wasteful number, since it uses less digits than its factorization.

3129472569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17101007.

The product of its digits is 816480, while the sum is 48.

The square root of 3129472569 is about 55941.6890073941. The cubic root of 3129472569 is about 1462.7060230763.

The spelling of 3129472569 in words is "three billion, one hundred twenty-nine million, four hundred seventy-two thousand, five hundred sixty-nine".