70543302513 has 4 divisors (see below), whose sum is σ = 94057736688. Its totient is φ = 47028868340.

The previous prime is 70543302509. The next prime is 70543302547. The reversal of 70543302513 is 31520334507.

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, and also an emirpimes, since its reverse is a distinct semiprime: 31520334507 = 3 ⋅10506778169.

It is a cyclic number.

It is not a de Polignac number, because 70543302513 - 2² = 70543302509 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70543302503) 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, 11757217083 + ... + 11757217088.

It is an arithmetic number, because the mean of its divisors is an integer number (23514434172).

Almost surely, 2^70543302513 is an apocalyptic number.

It is an amenable number.

70543302513 is a deficient number, since it is larger than the sum of its proper divisors (23514434175).

70543302513 is a wasteful number, since it uses less digits than its factorization.

70543302513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23514434174.

The product of its (nonzero) digits is 37800, while the sum is 33.

The spelling of 70543302513 in words is "seventy billion, five hundred forty-three million, three hundred two thousand, five hundred thirteen".