3129048436 has 18 divisors (see below), whose sum is σ = 5567100630. Its totient is φ = 1538868960.

The previous prime is 3129048431. The next prime is 3129048451. The reversal of 3129048436 is 6348409213.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 820822500 + 2308225936 = 28650^2 + 48044^2 .

It is a super-2 number, since 2×3129048436² = 19581888229668092192, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3129048431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 90231 + ... + 119998.

Almost surely, 2^3129048436 is an apocalyptic number.

It is an amenable number.

3129048436 is a deficient number, since it is larger than the sum of its proper divisors (2438052194).

3129048436 is a wasteful number, since it uses less digits than its factorization.

3129048436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210355 (or 210292 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 40.

The square root of 3129048436 is about 55937.8980298688. The cubic root of 3129048436 is about 1462.6399405966.

The spelling of 3129048436 in words is "three billion, one hundred twenty-nine million, forty-eight thousand, four hundred thirty-six".