70641754439 has 2 divisors, whose sum is σ = 70641754440. Its totient is φ = 70641754438.

The previous prime is 70641754369. The next prime is 70641754441. The reversal of 70641754439 is 93445714607.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70641754439 - 2²⁴ = 70624977223 is a prime.

It is a Sophie Germain prime.

Together with 70641754441, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70641754499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35320877219 + 35320877220.

It is an arithmetic number, because the mean of its divisors is an integer number (35320877220).

Almost surely, 2^70641754439 is an apocalyptic number.

70641754439 is a deficient number, since it is larger than the sum of its proper divisors (1).

70641754439 is an equidigital number, since it uses as much as digits as its factorization.

70641754439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2540160, while the sum is 50.

The spelling of 70641754439 in words is "seventy billion, six hundred forty-one million, seven hundred fifty-four thousand, four hundred thirty-nine".