70354771181 has 2 divisors, whose sum is σ = 70354771182. Its totient is φ = 70354771180.

The previous prime is 70354771177. The next prime is 70354771199. The reversal of 70354771181 is 18117745307.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64584089956 + 5770681225 = 254134^2 + 75965^2 .

It is a cyclic number.

It is not a de Polignac number, because 70354771181 - 2² = 70354771177 is a prime.

It is a super-2 number, since 2×70354771181² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70354771481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35177385590 + 35177385591.

It is an arithmetic number, because the mean of its divisors is an integer number (35177385591).

Almost surely, 2^70354771181 is an apocalyptic number.

It is an amenable number.

70354771181 is a deficient number, since it is larger than the sum of its proper divisors (1).

70354771181 is an equidigital number, since it uses as much as digits as its factorization.

70354771181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 164640, while the sum is 44.

The spelling of 70354771181 in words is "seventy billion, three hundred fifty-four million, seven hundred seventy-one thousand, one hundred eighty-one".