70409502719 has 8 divisors (see below), whose sum is σ = 74118825840. Its totient is φ = 66700535616.

The previous prime is 70409502679. The next prime is 70409502749. The reversal of 70409502719 is 91720590407.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70409502719 is a prime.

It is a super-2 number, since 2×70409502719² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 70409502719.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70409502749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 380507 + ... + 534419.

It is an arithmetic number, because the mean of its divisors is an integer number (9264853230).

Almost surely, 2^70409502719 is an apocalyptic number.

70409502719 is a deficient number, since it is larger than the sum of its proper divisors (3709323121).

70409502719 is a wasteful number, since it uses less digits than its factorization.

70409502719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178009.

The product of its (nonzero) digits is 158760, while the sum is 44.

The spelling of 70409502719 in words is "seventy billion, four hundred nine million, five hundred two thousand, seven hundred nineteen".