9131309464 has 8 divisors (see below), whose sum is σ = 17121205260. Its totient is φ = 4565654728.

The previous prime is 9131309443. The next prime is 9131309471. The reversal of 9131309464 is 4649031319.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570706834 + ... + 570706849.

Almost surely, 2^9131309464 is an apocalyptic number.

It is an amenable number.

9131309464 is a deficient number, since it is larger than the sum of its proper divisors (7989895796).

9131309464 is a wasteful number, since it uses less digits than its factorization.

9131309464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1141413689 (or 1141413685 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 40.

The square root of 9131309464 is about 95557.8854098394. The cubic root of 9131309464 is about 2090.1511199230.

The spelling of 9131309464 in words is "nine billion, one hundred thirty-one million, three hundred nine thousand, four hundred sixty-four".