70999999999 has 2 divisors, whose sum is σ = 71000000000. Its totient is φ = 70999999998.

The previous prime is 70999999901. The next prime is 71000000041. The reversal of 70999999999 is 99999999907.

It is a strong prime.

It is an emirp because it is prime and its reverse (99999999907) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70999999999 - 2²³ = 70991611391 is a prime.

70999999999 is a modest number, since divided by 999999 gives 70999 as remainder.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70999909999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35499999999 + 35500000000.

It is an arithmetic number, because the mean of its divisors is an integer number (35500000000).

Almost surely, 2^70999999999 is an apocalyptic number.

70999999999 is a deficient number, since it is larger than the sum of its proper divisors (1).

70999999999 is an equidigital number, since it uses as much as digits as its factorization.

70999999999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2711943423, while the sum is 88.

The spelling of 70999999999 in words is "seventy billion, nine hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred ninety-nine".