6252776641 has 4 divisors (see below), whose sum is σ = 6261596500. Its totient is φ = 6243956784.

The previous prime is 6252776639. The next prime is 6252776669. The reversal of 6252776641 is 1466772526.

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

It can be written as a sum of positive squares in 2 ways, for example, as 515471616 + 5737305025 = 22704^2 + 75745^2 .

It is a cyclic number.

It is not a de Polignac number, because 6252776641 - 2¹ = 6252776639 is a prime.

It is a super-3 number, since 3×6252776641³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6252776591 and 6252776600.

It is not an unprimeable number, because it can be changed into a prime (6252779641) 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, 4408866 + ... + 4410283.

It is an arithmetic number, because the mean of its divisors is an integer number (1565399125).

Almost surely, 2^6252776641 is an apocalyptic number.

It is an amenable number.

6252776641 is a deficient number, since it is larger than the sum of its proper divisors (8819859).

6252776641 is an equidigital number, since it uses as much as digits as its factorization.

6252776641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8819858.

The product of its digits is 846720, while the sum is 46.

The square root of 6252776641 is about 79074.5005738259. The cubic root of 6252776641 is about 1842.2884884790.

The spelling of 6252776641 in words is "six billion, two hundred fifty-two million, seven hundred seventy-six thousand, six hundred forty-one".