6420097245 has 32 divisors (see below), whose sum is σ = 10831812480. Its totient is φ = 3238133760.

The previous prime is 6420097183. The next prime is 6420097267. The reversal of 6420097245 is 5427900246.

It is not a de Polignac number, because 6420097245 - 2⁸ = 6420096989 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 144925 + ... + 183965.

It is an arithmetic number, because the mean of its divisors is an integer number (338494140).

Almost surely, 2^6420097245 is an apocalyptic number.

It is an amenable number.

6420097245 is a deficient number, since it is larger than the sum of its proper divisors (4411715235).

6420097245 is a wasteful number, since it uses less digits than its factorization.

6420097245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39645.

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 6420097245 is about 80125.5093275544. The cubic root of 6420097245 is about 1858.5769016858.

The spelling of 6420097245 in words is "six billion, four hundred twenty million, ninety-seven thousand, two hundred forty-five".