6928247497 has 4 divisors (see below), whose sum is σ = 6928543360. Its totient is φ = 6927951636.

The previous prime is 6928247483. The next prime is 6928247509. The reversal of 6928247497 is 7947428296.

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 6928247497 - 2⁷ = 6928247369 is a prime.

It is a super-2 number, since 2×6928247497² = 96001226759373530018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6928247467) 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, 109473 + ... + 160750.

It is an arithmetic number, because the mean of its divisors is an integer number (1732135840).

Almost surely, 2^6928247497 is an apocalyptic number.

It is an amenable number.

6928247497 is a deficient number, since it is larger than the sum of its proper divisors (295863).

6928247497 is a wasteful number, since it uses less digits than its factorization.

6928247497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295862.

The product of its digits is 12192768, while the sum is 58.

The square root of 6928247497 is about 83236.0949168088. The cubic root of 6928247497 is about 1906.3726461381.

The spelling of 6928247497 in words is "six billion, nine hundred twenty-eight million, two hundred forty-seven thousand, four hundred ninety-seven".