84953391713 has 4 divisors (see below), whose sum is σ = 85078877460. Its totient is φ = 84827905968.

The previous prime is 84953391703. The next prime is 84953391737. The reversal of 84953391713 is 31719335948.

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

It can be written as a sum of positive squares in 2 ways, for example, as 69004985344 + 15948406369 = 262688^2 + 126287^2 .

It is a cyclic number.

It is not a de Polignac number, because 84953391713 - 2⁴ = 84953391697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84953391703) 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, 62741858 + ... + 62743211.

It is an arithmetic number, because the mean of its divisors is an integer number (21269719365).

Almost surely, 2^84953391713 is an apocalyptic number.

It is an amenable number.

84953391713 is a deficient number, since it is larger than the sum of its proper divisors (125485747).

84953391713 is a wasteful number, since it uses less digits than its factorization.

84953391713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125485746.

The product of its digits is 2449440, while the sum is 53.

The spelling of 84953391713 in words is "eighty-four billion, nine hundred fifty-three million, three hundred ninety-one thousand, seven hundred thirteen".