6245461643 has 2 divisors, whose sum is σ = 6245461644. Its totient is φ = 6245461642.

The previous prime is 6245461639. The next prime is 6245461687. The reversal of 6245461643 is 3461645426.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6245461643 - 2² = 6245461639 is a prime.

It is a super-2 number, since 2×6245461643² = 78011582268368518898, 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 6245461643.

It is not a weakly prime, because it can be changed into another prime (6245461603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3122730821 + 3122730822.

It is an arithmetic number, because the mean of its divisors is an integer number (3122730822).

Almost surely, 2^6245461643 is an apocalyptic number.

6245461643 is a deficient number, since it is larger than the sum of its proper divisors (1).

6245461643 is an equidigital number, since it uses as much as digits as its factorization.

6245461643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 414720, while the sum is 41.

The square root of 6245461643 is about 79028.2332018121. The cubic root of 6245461643 is about 1841.5697893563.

The spelling of 6245461643 in words is "six billion, two hundred forty-five million, four hundred sixty-one thousand, six hundred forty-three".