70557434969 has 4 divisors (see below), whose sum is σ = 80637068544. Its totient is φ = 60477801396.

The previous prime is 70557434963. The next prime is 70557434977. The reversal of 70557434969 is 96943475507.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 70557434969 - 2¹² = 70557430873 is a prime.

It is a super-2 number, since 2×70557434969² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70557434963) 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, 5039816777 + ... + 5039816790.

It is an arithmetic number, because the mean of its divisors is an integer number (20159267136).

Almost surely, 2^70557434969 is an apocalyptic number.

It is an amenable number.

70557434969 is a deficient number, since it is larger than the sum of its proper divisors (10079633575).

70557434969 is a wasteful number, since it uses less digits than its factorization.

70557434969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10079633574.

The product of its (nonzero) digits is 28576800, while the sum is 59.

The spelling of 70557434969 in words is "seventy billion, five hundred fifty-seven million, four hundred thirty-four thousand, nine hundred sixty-nine".