70396619791 has 2 divisors, whose sum is σ = 70396619792. Its totient is φ = 70396619790.

The previous prime is 70396619749. The next prime is 70396619801. The reversal of 70396619791 is 19791669307.

It is a strong prime.

It is an emirp because it is prime and its reverse (19791669307) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70396619791 - 2⁷ = 70396619663 is a prime.

It is a super-2 number, since 2×70396619791² (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 (70396419791) 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, 35198309895 + 35198309896.

It is an arithmetic number, because the mean of its divisors is an integer number (35198309896).

Almost surely, 2^70396619791 is an apocalyptic number.

70396619791 is a deficient number, since it is larger than the sum of its proper divisors (1).

70396619791 is an equidigital number, since it uses as much as digits as its factorization.

70396619791 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3857868, while the sum is 58.

The spelling of 70396619791 in words is "seventy billion, three hundred ninety-six million, six hundred nineteen thousand, seven hundred ninety-one".