8626413493 has 4 divisors (see below), whose sum is σ = 8904684928. Its totient is φ = 8348142060.

The previous prime is 8626413491. The next prime is 8626413503. The reversal of 8626413493 is 3943146268.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8626413493 - 2¹ = 8626413491 is a prime.

It is a super-2 number, since 2×8626413493² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8626413491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139135671 + ... + 139135732.

It is an arithmetic number, because the mean of its divisors is an integer number (2226171232).

Almost surely, 2^8626413493 is an apocalyptic number.

It is an amenable number.

8626413493 is a deficient number, since it is larger than the sum of its proper divisors (278271435).

8626413493 is a wasteful number, since it uses less digits than its factorization.

8626413493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278271434.

The product of its digits is 746496, while the sum is 46.

The square root of 8626413493 is about 92878.4877837705. The cubic root of 8626413493 is about 2050.8949883884.

The spelling of 8626413493 in words is "eight billion, six hundred twenty-six million, four hundred thirteen thousand, four hundred ninety-three".