6247990263 has 16 divisors (see below), whose sum is σ = 9105232896. Its totient is φ = 3793845120.

The previous prime is 6247990247. The next prime is 6247990279. The reversal of 6247990263 is 3620997426.

It is an interprime number because it is at equal distance from previous prime (6247990247) and next prime (6247990279).

It is not a de Polignac number, because 6247990263 - 2⁴ = 6247990247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6247990283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1974381 + ... + 1977542.

It is an arithmetic number, because the mean of its divisors is an integer number (569077056).

Almost surely, 2^6247990263 is an apocalyptic number.

6247990263 is a deficient number, since it is larger than the sum of its proper divisors (2857242633).

6247990263 is a wasteful number, since it uses less digits than its factorization.

6247990263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3951974.

The product of its (nonzero) digits is 979776, while the sum is 48.

The square root of 6247990263 is about 79044.2297894034. The cubic root of 6247990263 is about 1841.8182899028.

The spelling of 6247990263 in words is "six billion, two hundred forty-seven million, nine hundred ninety thousand, two hundred sixty-three".