968791749 has 4 divisors (see below), whose sum is σ = 1291722336. Its totient is φ = 645861164.

The previous prime is 968791723. The next prime is 968791751. The reversal of 968791749 is 947197869.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 968791749 - 2⁸ = 968791493 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 968791692 and 968791701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (968791709) 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, 161465289 + ... + 161465294.

It is an arithmetic number, because the mean of its divisors is an integer number (322930584).

Almost surely, 2^968791749 is an apocalyptic number.

It is an amenable number.

968791749 is a deficient number, since it is larger than the sum of its proper divisors (322930587).

968791749 is a wasteful number, since it uses less digits than its factorization.

968791749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322930586.

The product of its digits is 6858432, while the sum is 60.

The square root of 968791749 is about 31125.4196598215. The cubic root of 968791749 is about 989.4871162389.

The spelling of 968791749 in words is "nine hundred sixty-eight million, seven hundred ninety-one thousand, seven hundred forty-nine".