613623945 has 32 divisors (see below), whose sum is σ = 1075083264. Its totient is φ = 296395200.

The previous prime is 613623937. The next prime is 613623953. The reversal of 613623945 is 549326316.

It is an interprime number because it is at equal distance from previous prime (613623937) and next prime (613623953).

It is not a de Polignac number, because 613623945 - 2³ = 613623937 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37854 + ... + 51576.

It is an arithmetic number, because the mean of its divisors is an integer number (33596352).

Almost surely, 2^613623945 is an apocalyptic number.

It is an amenable number.

613623945 is a deficient number, since it is larger than the sum of its proper divisors (461459319).

613623945 is a wasteful number, since it uses less digits than its factorization.

613623945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14013.

The product of its digits is 116640, while the sum is 39.

The square root of 613623945 is about 24771.4340521497. The cubic root of 613623945 is about 849.7687698595.

The spelling of 613623945 in words is "six hundred thirteen million, six hundred twenty-three thousand, nine hundred forty-five".