6455249207 has 18 divisors (see below), whose sum is σ = 7408801176. Its totient is φ = 5609574520.

The previous prime is 6455249173. The next prime is 6455249233. The reversal of 6455249207 is 7029425546.

It is not a de Polignac number, because 6455249207 - 2¹⁰ = 6455248183 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 (6455249237) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4237748 + ... + 4239270.

Almost surely, 2^6455249207 is an apocalyptic number.

6455249207 is a deficient number, since it is larger than the sum of its proper divisors (953551969).

6455249207 is an equidigital number, since it uses as much as digits as its factorization.

6455249207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3091 (or 1557 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 44.

The square root of 6455249207 is about 80344.5655100580. The cubic root of 6455249207 is about 1861.9628185930.

The spelling of 6455249207 in words is "six billion, four hundred fifty-five million, two hundred forty-nine thousand, two hundred seven".