70064909351 has 4 divisors (see below), whose sum is σ = 70081061400. Its totient is φ = 70048757304.

The previous prime is 70064909309. The next prime is 70064909357. The reversal of 70064909351 is 15390946007.

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

It is a cyclic number.

It is not a de Polignac number, because 70064909351 - 2⁶ = 70064909287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70064909357) 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, 8069516 + ... + 8078193.

It is an arithmetic number, because the mean of its divisors is an integer number (17520265350).

Almost surely, 2^70064909351 is an apocalyptic number.

70064909351 is a deficient number, since it is larger than the sum of its proper divisors (16152049).

70064909351 is a wasteful number, since it uses less digits than its factorization.

70064909351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16152048.

The product of its (nonzero) digits is 204120, while the sum is 44.

The spelling of 70064909351 in words is "seventy billion, sixty-four million, nine hundred nine thousand, three hundred fifty-one".