70771178419 has 2 divisors, whose sum is σ = 70771178420. Its totient is φ = 70771178418.

The previous prime is 70771178389. The next prime is 70771178479. The reversal of 70771178419 is 91487117707.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70771178419 - 2¹⁵ = 70771145651 is a prime.

It is a super-2 number, since 2×70771178419² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (70771178479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35385589209 + 35385589210.

It is an arithmetic number, because the mean of its divisors is an integer number (35385589210).

Almost surely, 2^70771178419 is an apocalyptic number.

70771178419 is a deficient number, since it is larger than the sum of its proper divisors (1).

70771178419 is an equidigital number, since it uses as much as digits as its factorization.

70771178419 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 691488, while the sum is 52.

The spelling of 70771178419 in words is "seventy billion, seven hundred seventy-one million, one hundred seventy-eight thousand, four hundred nineteen".