6245340986 has 4 divisors (see below), whose sum is σ = 9368011482. Its totient is φ = 3122670492.

The previous prime is 6245340973. The next prime is 6245341009. The reversal of 6245340986 is 6890435426.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3625846225 + 2619494761 = 60215^2 + 51181^2 .

It is a super-2 number, since 2×6245340986² = 78008568062822904392, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6245340986.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1561335245 + ... + 1561335248.

Almost surely, 2^6245340986 is an apocalyptic number.

6245340986 is a deficient number, since it is larger than the sum of its proper divisors (3122670496).

6245340986 is a wasteful number, since it uses less digits than its factorization.

6245340986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3122670495.

The product of its (nonzero) digits is 1244160, while the sum is 47.

The square root of 6245340986 is about 79027.4698190446. The cubic root of 6245340986 is about 1841.5579300933.

The spelling of 6245340986 in words is "six billion, two hundred forty-five million, three hundred forty thousand, nine hundred eighty-six".