6662634379 has 2 divisors, whose sum is σ = 6662634380. Its totient is φ = 6662634378.

The previous prime is 6662634367. The next prime is 6662634389. The reversal of 6662634379 is 9734362666.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6662634379 - 2¹⁵ = 6662601611 is a prime.

It is not a weakly prime, because it can be changed into another prime (6662634389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3331317189 + 3331317190.

It is an arithmetic number, because the mean of its divisors is an integer number (3331317190).

Almost surely, 2^6662634379 is an apocalyptic number.

6662634379 is a deficient number, since it is larger than the sum of its proper divisors (1).

6662634379 is an equidigital number, since it uses as much as digits as its factorization.

6662634379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5878656, while the sum is 52.

The square root of 6662634379 is about 81624.9617396541. The cubic root of 6662634379 is about 1881.6925284359.

The spelling of 6662634379 in words is "six billion, six hundred sixty-two million, six hundred thirty-four thousand, three hundred seventy-nine".