8497426493 has 8 divisors (see below), whose sum is σ = 8526008640. Its totient is φ = 8468893440.

The previous prime is 8497426463. The next prime is 8497426517. The reversal of 8497426493 is 3946247948.

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-8497426493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8497426463) 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, 352418 + ... + 375756.

It is an arithmetic number, because the mean of its divisors is an integer number (1065751080).

Almost surely, 2^8497426493 is an apocalyptic number.

It is an amenable number.

8497426493 is a deficient number, since it is larger than the sum of its proper divisors (28582147).

8497426493 is a wasteful number, since it uses less digits than its factorization.

8497426493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24547.

The product of its digits is 10450944, while the sum is 56.

The square root of 8497426493 is about 92181.4867150666. The cubic root of 8497426493 is about 2040.6215660909.

The spelling of 8497426493 in words is "eight billion, four hundred ninety-seven million, four hundred twenty-six thousand, four hundred ninety-three".