70641754441 has 2 divisors, whose sum is σ = 70641754442. Its totient is φ = 70641754440.

The previous prime is 70641754439. The next prime is 70641754453. The reversal of 70641754441 is 14445714607.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39523030416 + 31118724025 = 198804^2 + 176405^2 .

It is an emirp because it is prime and its reverse (14445714607) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70641754441 - 2¹ = 70641754439 is a prime.

Together with 70641754439, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (70641755441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35320877220 + 35320877221.

It is an arithmetic number, because the mean of its divisors is an integer number (35320877221).

Almost surely, 2^70641754441 is an apocalyptic number.

It is an amenable number.

70641754441 is a deficient number, since it is larger than the sum of its proper divisors (1).

70641754441 is an equidigital number, since it uses as much as digits as its factorization.

70641754441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 376320, while the sum is 43.

The spelling of 70641754441 in words is "seventy billion, six hundred forty-one million, seven hundred fifty-four thousand, four hundred forty-one".