3126894653 has 8 divisors (see below), whose sum is σ = 3159407160. Its totient is φ = 3094412800.

The previous prime is 3126894613. The next prime is 3126894671. The reversal of 3126894653 is 3564986213.

It can be written as a sum of positive squares in 4 ways, for example, as 1925717689 + 1201176964 = 43883^2 + 34658^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3126894653 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3126894598 and 3126894607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3126894613) 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, 237713 + ... + 250521.

It is an arithmetic number, because the mean of its divisors is an integer number (394925895).

Almost surely, 2^3126894653 is an apocalyptic number.

It is an amenable number.

3126894653 is a deficient number, since it is larger than the sum of its proper divisors (32512507).

3126894653 is a wasteful number, since it uses less digits than its factorization.

3126894653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15327.

The product of its digits is 933120, while the sum is 47.

The square root of 3126894653 is about 55918.6431612928. The cubic root of 3126894653 is about 1462.3042760261.

The spelling of 3126894653 in words is "three billion, one hundred twenty-six million, eight hundred ninety-four thousand, six hundred fifty-three".