70553243919 has 4 divisors (see below), whose sum is σ = 94070991896. Its totient is φ = 47035495944.

The previous prime is 70553243899. The next prime is 70553243921. The reversal of 70553243919 is 91934235507.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 70553243919 - 2⁹ = 70553243407 is a prime.

It is a super-2 number, since 2×70553243919² (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 (70553743919) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11758873984 + ... + 11758873989.

It is an arithmetic number, because the mean of its divisors is an integer number (23517747974).

Almost surely, 2^70553243919 is an apocalyptic number.

70553243919 is a deficient number, since it is larger than the sum of its proper divisors (23517747977).

70553243919 is a wasteful number, since it uses less digits than its factorization.

70553243919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23517747976.

The product of its (nonzero) digits is 1020600, while the sum is 48.

The spelling of 70553243919 in words is "seventy billion, five hundred fifty-three million, two hundred forty-three thousand, nine hundred nineteen".