7564136413 has 4 divisors (see below), whose sum is σ = 7564337280. Its totient is φ = 7563935548.

The previous prime is 7564136399. The next prime is 7564136471. The reversal of 7564136413 is 3146314657.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3146314657 = 4139 ⋅760163.

It is a cyclic number.

It is not a de Polignac number, because 7564136413 - 2¹⁷ = 7564005341 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7564136513) 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, 25123 + ... + 125536.

It is an arithmetic number, because the mean of its divisors is an integer number (1891084320).

Almost surely, 2^7564136413 is an apocalyptic number.

It is an amenable number.

7564136413 is a deficient number, since it is larger than the sum of its proper divisors (200867).

7564136413 is a wasteful number, since it uses less digits than its factorization.

7564136413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200866.

The product of its digits is 181440, while the sum is 40.

The square root of 7564136413 is about 86972.0438589320. The cubic root of 7564136413 is about 1962.9976700880.

The spelling of 7564136413 in words is "seven billion, five hundred sixty-four million, one hundred thirty-six thousand, four hundred thirteen".