6311054621 has 4 divisors (see below), whose sum is σ = 6311272992. Its totient is φ = 6310836252.

The previous prime is 6311054609. The next prime is 6311054623. The reversal of 6311054621 is 1264501136.

It is a happy number.

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 not a de Polignac number, because 6311054621 - 2⁶ = 6311054557 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 (6311054623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57761 + ... + 126326.

It is an arithmetic number, because the mean of its divisors is an integer number (1577818248).

Almost surely, 2^6311054621 is an apocalyptic number.

It is an amenable number.

6311054621 is a deficient number, since it is larger than the sum of its proper divisors (218371).

6311054621 is a wasteful number, since it uses less digits than its factorization.

6311054621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218370.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 6311054621 is about 79442.1463770963. The cubic root of 6311054621 is about 1847.9943807299.

Adding to 6311054621 its reverse (1264501136), we get a palindrome (7575555757).

The spelling of 6311054621 in words is "six billion, three hundred eleven million, fifty-four thousand, six hundred twenty-one".