9457684109 has 4 divisors (see below), whose sum is σ = 9459889404. Its totient is φ = 9455478816.

The previous prime is 9457684099. The next prime is 9457684123. The reversal of 9457684109 is 9014867549.

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 5696928484 + 3760755625 = 75478^2 + 61325^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9457684109 is a prime.

It is a super-2 number, since 2×9457684109² (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 (9457684139) 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, 1096202 + ... + 1104795.

It is an arithmetic number, because the mean of its divisors is an integer number (2364972351).

Almost surely, 2^9457684109 is an apocalyptic number.

It is an amenable number.

9457684109 is a deficient number, since it is larger than the sum of its proper divisors (2205295).

9457684109 is a wasteful number, since it uses less digits than its factorization.

9457684109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2205294.

The product of its (nonzero) digits is 2177280, while the sum is 53.

The square root of 9457684109 is about 97250.6252370647. The cubic root of 9457684109 is about 2114.7625036468.

The spelling of 9457684109 in words is "nine billion, four hundred fifty-seven million, six hundred eighty-four thousand, one hundred nine".