69369621379 has 2 divisors, whose sum is σ = 69369621380. Its totient is φ = 69369621378.

The previous prime is 69369621341. The next prime is 69369621383. The reversal of 69369621379 is 97312696396.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-69369621379 is a prime.

It is not a weakly prime, because it can be changed into another prime (69369621329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34684810689 + 34684810690.

It is an arithmetic number, because the mean of its divisors is an integer number (34684810690).

Almost surely, 2^69369621379 is an apocalyptic number.

69369621379 is a deficient number, since it is larger than the sum of its proper divisors (1).

69369621379 is an equidigital number, since it uses as much as digits as its factorization.

69369621379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19840464, while the sum is 61.

The spelling of 69369621379 in words is "sixty-nine billion, three hundred sixty-nine million, six hundred twenty-one thousand, three hundred seventy-nine".