70771542139 has 2 divisors, whose sum is σ = 70771542140. Its totient is φ = 70771542138.

The previous prime is 70771542103. The next prime is 70771542161. The reversal of 70771542139 is 93124517707.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70771542139 - 2¹³ = 70771533947 is a prime.

It is a super-2 number, since 2×70771542139² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (70771542169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35385771069 + 35385771070.

It is an arithmetic number, because the mean of its divisors is an integer number (35385771070).

Almost surely, 2^70771542139 is an apocalyptic number.

70771542139 is a deficient number, since it is larger than the sum of its proper divisors (1).

70771542139 is an equidigital number, since it uses as much as digits as its factorization.

70771542139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 370440, while the sum is 46.

The spelling of 70771542139 in words is "seventy billion, seven hundred seventy-one million, five hundred forty-two thousand, one hundred thirty-nine".