70757354581 has 2 divisors, whose sum is σ = 70757354582. Its totient is φ = 70757354580.

The previous prime is 70757354543. The next prime is 70757354597. The reversal of 70757354581 is 18545375707.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70538048100 + 219306481 = 265590^2 + 14809^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70757354581 is a prime.

It is a super-2 number, since 2×70757354581² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70757354531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35378677290 + 35378677291.

It is an arithmetic number, because the mean of its divisors is an integer number (35378677291).

Almost surely, 2^70757354581 is an apocalyptic number.

It is an amenable number.

70757354581 is a deficient number, since it is larger than the sum of its proper divisors (1).

70757354581 is an equidigital number, since it uses as much as digits as its factorization.

70757354581 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4116000, while the sum is 52.

The spelling of 70757354581 in words is "seventy billion, seven hundred fifty-seven million, three hundred fifty-four thousand, five hundred eighty-one".