7494863259 has 16 divisors (see below), whose sum is σ = 10763421984. Its totient is φ = 4611552000.

The previous prime is 7494863251. The next prime is 7494863293. The reversal of 7494863259 is 9523684947.

It is not a de Polignac number, because 7494863259 - 2³ = 7494863251 is a prime.

It is a super-2 number, since 2×7494863259² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7494863199 and 7494863208.

It is not an unprimeable number, because it can be changed into a prime (7494863251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 463999 + ... + 479879.

It is an arithmetic number, because the mean of its divisors is an integer number (672713874).

Almost surely, 2^7494863259 is an apocalyptic number.

7494863259 is a deficient number, since it is larger than the sum of its proper divisors (3268558725).

7494863259 is a wasteful number, since it uses less digits than its factorization.

7494863259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27998.

The product of its digits is 13063680, while the sum is 57.

The square root of 7494863259 is about 86572.8783107042. The cubic root of 7494863259 is about 1956.9868371645.

The spelling of 7494863259 in words is "seven billion, four hundred ninety-four million, eight hundred sixty-three thousand, two hundred fifty-nine".