70407388493 has 4 divisors (see below), whose sum is σ = 75823341468. Its totient is φ = 64991435520.

The previous prime is 70407388483. The next prime is 70407388501. The reversal of 70407388493 is 39488370407.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 39488370407 = 823 ⋅47981009.

It can be written as a sum of positive squares in 2 ways, for example, as 16180348804 + 54227039689 = 127202^2 + 232867^2 .

It is a cyclic number.

It is not a de Polignac number, because 70407388493 - 2²⁸ = 70138953037 is a prime.

It is a super-2 number, since 2×70407388493² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70407388433) 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 in 3 ways as a sum of consecutive naturals, for example, 2707976468 + ... + 2707976493.

It is an arithmetic number, because the mean of its divisors is an integer number (18955835367).

Almost surely, 2^70407388493 is an apocalyptic number.

It is an amenable number.

70407388493 is a deficient number, since it is larger than the sum of its proper divisors (5415952975).

70407388493 is a wasteful number, since it uses less digits than its factorization.

70407388493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5415952974.

The product of its (nonzero) digits is 4064256, while the sum is 53.

The spelling of 70407388493 in words is "seventy billion, four hundred seven million, three hundred eighty-eight thousand, four hundred ninety-three".