9731491496366 has 16 divisors (see below), whose sum is σ = 14662042651440. Its totient is φ = 4844147024640.

The previous prime is 9731491496357. The next prime is 9731491496393. The reversal of 9731491496366 is 6636941941379.

It is a junction number, because it is equal to n+sod(n) for n = 9731491496296 and 9731491496305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5617790 + ... + 7143006.

It is an arithmetic number, because the mean of its divisors is an integer number (916377665715).

Almost surely, 2^{9731491496366} is an apocalyptic number.

9731491496366 is a deficient number, since it is larger than the sum of its proper divisors (4930551155074).

9731491496366 is a wasteful number, since it uses less digits than its factorization.

9731491496366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1539379.

The product of its digits is 158723712, while the sum is 68.

The spelling of 9731491496366 in words is "nine trillion, seven hundred thirty-one billion, four hundred ninety-one million, four hundred ninety-six thousand, three hundred sixty-six".