870053512499 has 2 divisors, whose sum is σ = 870053512500. Its totient is φ = 870053512498.

The previous prime is 870053512481. The next prime is 870053512519. The reversal of 870053512499 is 994215350078.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-870053512499 is a prime.

It is a super-2 number, since 2×870053512499² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 870053512499.

It is not a weakly prime, because it can be changed into another prime (870053512429) 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, 435026756249 + 435026756250.

It is an arithmetic number, because the mean of its divisors is an integer number (435026756250).

Almost surely, 2^870053512499 is an apocalyptic number.

870053512499 is a deficient number, since it is larger than the sum of its proper divisors (1).

870053512499 is an equidigital number, since it uses as much as digits as its factorization.

870053512499 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2721600, while the sum is 53.

The spelling of 870053512499 in words is "eight hundred seventy billion, fifty-three million, five hundred twelve thousand, four hundred ninety-nine".