6254113661 has 4 divisors (see below), whose sum is σ = 6329464512. Its totient is φ = 6178762812.

The previous prime is 6254113583. The next prime is 6254113667. The reversal of 6254113661 is 1663114526.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6254113661 is a prime.

It is a super-2 number, since 2×6254113661² = 78227875369413645842, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6254113667) 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 3 ways as a sum of consecutive naturals, for example, 37675301 + ... + 37675466.

It is an arithmetic number, because the mean of its divisors is an integer number (1582366128).

Almost surely, 2^6254113661 is an apocalyptic number.

It is an amenable number.

6254113661 is a deficient number, since it is larger than the sum of its proper divisors (75350851).

6254113661 is an equidigital number, since it uses as much as digits as its factorization.

6254113661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75350850.

The product of its digits is 25920, while the sum is 35.

The square root of 6254113661 is about 79082.9543011640. The cubic root of 6254113661 is about 1842.4197902005.

The spelling of 6254113661 in words is "six billion, two hundred fifty-four million, one hundred thirteen thousand, six hundred sixty-one".