70495238991 has 4 divisors (see below), whose sum is σ = 93993651992. Its totient is φ = 46996825992.

The previous prime is 70495238987. The next prime is 70495239013. The reversal of 70495238991 is 19983259407.

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

It is not a de Polignac number, because 70495238991 - 2² = 70495238987 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 (70495238491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11749206496 + ... + 11749206501.

It is an arithmetic number, because the mean of its divisors is an integer number (23498412998).

Almost surely, 2^70495238991 is an apocalyptic number.

70495238991 is a deficient number, since it is larger than the sum of its proper divisors (23498413001).

70495238991 is a wasteful number, since it uses less digits than its factorization.

70495238991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23498413000.

The product of its (nonzero) digits is 4898880, while the sum is 57.

The spelling of 70495238991 in words is "seventy billion, four hundred ninety-five million, two hundred thirty-eight thousand, nine hundred ninety-one".