7454639313 has 24 divisors (see below), whose sum is σ = 11776355136. Its totient is φ = 4506559200.

The previous prime is 7454639299. The next prime is 7454639333. The reversal of 7454639313 is 3139364547.

7454639313 is a `hidden beast` number, since 7 + 4 + 5 + 4 + 639 + 3 + 1 + 3 = 666.

It is not a de Polignac number, because 7454639313 - 2¹⁸ = 7454377169 is a prime.

It is a super-2 number, since 2×7454639313² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7454639333) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55533 + ... + 134138.

It is an arithmetic number, because the mean of its divisors is an integer number (490681464).

Almost surely, 2^7454639313 is an apocalyptic number.

It is an amenable number.

7454639313 is a deficient number, since it is larger than the sum of its proper divisors (4321715823).

7454639313 is a wasteful number, since it uses less digits than its factorization.

7454639313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190085 (or 190082 counting only the distinct ones).

The product of its digits is 816480, while the sum is 45.

The square root of 7454639313 is about 86340.2531441737. The cubic root of 7454639313 is about 1953.4795916420.

The spelling of 7454639313 in words is "seven billion, four hundred fifty-four million, six hundred thirty-nine thousand, three hundred thirteen".