921097192963 has 8 divisors (see below), whose sum is σ = 941608701936. Its totient is φ = 900760250400.

The previous prime is 921097192919. The next prime is 921097192969. The reversal of 921097192963 is 369291790129.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-921097192963 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 921097192898 and 921097192907.

It is not an unprimeable number, because it can be changed into a prime (921097192969) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43630933 + ... + 43652038.

It is an arithmetic number, because the mean of its divisors is an integer number (117701087742).

Almost surely, 2^921097192963 is an apocalyptic number.

921097192963 is a deficient number, since it is larger than the sum of its proper divisors (20511508973).

921097192963 is a wasteful number, since it uses less digits than its factorization.

921097192963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87283205.

The product of its (nonzero) digits is 3306744, while the sum is 58.

The spelling of 921097192963 in words is "nine hundred twenty-one billion, ninety-seven million, one hundred ninety-two thousand, nine hundred sixty-three".