7493263491 has 32 divisors (see below), whose sum is σ = 12100032000. Its totient is φ = 4029246720.

The previous prime is 7493263471. The next prime is 7493263499. The reversal of 7493263491 is 1943623947.

It is a happy number.

It is not a de Polignac number, because 7493263491 - 2¹⁰ = 7493262467 is a prime.

It is a super-2 number, since 2×7493263491² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 7493263491.

It is not an unprimeable number, because it can be changed into a prime (7493263499) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3570 + ... + 122471.

It is an arithmetic number, because the mean of its divisors is an integer number (378126000).

Almost surely, 2^7493263491 is an apocalyptic number.

7493263491 is a deficient number, since it is larger than the sum of its proper divisors (4606768509).

7493263491 is a wasteful number, since it uses less digits than its factorization.

7493263491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126219.

The product of its digits is 979776, while the sum is 48.

The square root of 7493263491 is about 86563.6383881824. The cubic root of 7493263491 is about 1956.8475885624.

The spelling of 7493263491 in words is "seven billion, four hundred ninety-three million, two hundred sixty-three thousand, four hundred ninety-one".