69949930139 has 2 divisors, whose sum is σ = 69949930140. Its totient is φ = 69949930138.

The previous prime is 69949930121. The next prime is 69949930151. The reversal of 69949930139 is 93103994996.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-69949930139 is a prime.

It is not a weakly prime, because it can be changed into another prime (69949930109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34974965069 + 34974965070.

It is an arithmetic number, because the mean of its divisors is an integer number (34974965070).

Almost surely, 2^69949930139 is an apocalyptic number.

69949930139 is a deficient number, since it is larger than the sum of its proper divisors (1).

69949930139 is an equidigital number, since it uses as much as digits as its factorization.

69949930139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12754584, while the sum is 62.

The spelling of 69949930139 in words is "sixty-nine billion, nine hundred forty-nine million, nine hundred thirty thousand, one hundred thirty-nine".