70790861329 has 2 divisors, whose sum is σ = 70790861330. Its totient is φ = 70790861328.

The previous prime is 70790861243. The next prime is 70790861347. The reversal of 70790861329 is 92316809707.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68050548225 + 2740313104 = 260865^2 + 52348^2 .

It is a cyclic number.

It is not a de Polignac number, because 70790861329 - 2²¹ = 70788764177 is a prime.

It is a super-2 number, since 2×70790861329² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (70790861399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35395430664 + 35395430665.

It is an arithmetic number, because the mean of its divisors is an integer number (35395430665).

Almost surely, 2^70790861329 is an apocalyptic number.

It is an amenable number.

70790861329 is a deficient number, since it is larger than the sum of its proper divisors (1).

70790861329 is an equidigital number, since it uses as much as digits as its factorization.

70790861329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1143072, while the sum is 52.

The spelling of 70790861329 in words is "seventy billion, seven hundred ninety million, eight hundred sixty-one thousand, three hundred twenty-nine".