9375713981 has 4 divisors (see below), whose sum is σ = 9378128700. Its totient is φ = 9373299264.

The previous prime is 9375713953. The next prime is 9375713983. The reversal of 9375713981 is 1893175739.

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 3142611481 + 6233102500 = 56059^2 + 78950^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9375713981 is a prime.

It is a super-2 number, since 2×9375713981² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9375713983) 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, 1201526 + ... + 1209303.

It is an arithmetic number, because the mean of its divisors is an integer number (2344532175).

Almost surely, 2^9375713981 is an apocalyptic number.

It is an amenable number.

9375713981 is a deficient number, since it is larger than the sum of its proper divisors (2414719).

9375713981 is a wasteful number, since it uses less digits than its factorization.

9375713981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2414718.

The product of its digits is 1428840, while the sum is 53.

The square root of 9375713981 is about 96828.2705670198. The cubic root of 9375713981 is about 2108.6351903309.

The spelling of 9375713981 in words is "nine billion, three hundred seventy-five million, seven hundred thirteen thousand, nine hundred eighty-one".