8951664538379 has 4 divisors (see below), whose sum is σ = 8955331752840. Its totient is φ = 8947997323920.

The previous prime is 8951664538357. The next prime is 8951664538381. The reversal of 8951664538379 is 9738354661598.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8951664538379 - 2⁸ = 8951664538123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8951664538309) 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, 1833603569 + ... + 1833608450.

It is an arithmetic number, because the mean of its divisors is an integer number (2238832938210).

Almost surely, 2^{8951664538379} is an apocalyptic number.

8951664538379 is a deficient number, since it is larger than the sum of its proper divisors (3667214461).

8951664538379 is a wasteful number, since it uses less digits than its factorization.

8951664538379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3667214460.

The product of its digits is 1175731200, while the sum is 74.

The spelling of 8951664538379 in words is "eight trillion, nine hundred fifty-one billion, six hundred sixty-four million, five hundred thirty-eight thousand, three hundred seventy-nine".