8734356491 has 4 divisors (see below), whose sum is σ = 9982121712. Its totient is φ = 7486591272.

The previous prime is 8734356481. The next prime is 8734356497. The reversal of 8734356491 is 1946534378.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8734356491 - 2²⁶ = 8667247627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8734356497) 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, 623882600 + ... + 623882613.

It is an arithmetic number, because the mean of its divisors is an integer number (2495530428).

Almost surely, 2^8734356491 is an apocalyptic number.

8734356491 is a deficient number, since it is larger than the sum of its proper divisors (1247765221).

8734356491 is a wasteful number, since it uses less digits than its factorization.

8734356491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1247765220.

The product of its digits is 2177280, while the sum is 50.

The square root of 8734356491 is about 93457.7791893216. The cubic root of 8734356491 is about 2059.4138913680.

The spelling of 8734356491 in words is "eight billion, seven hundred thirty-four million, three hundred fifty-six thousand, four hundred ninety-one".