6375447036261 has 12 divisors (see below), whose sum is σ = 9209001466860. Its totient is φ = 4250287679040.

The previous prime is 6375447036229. The next prime is 6375447036293. The reversal of 6375447036261 is 1626307445736.

6375447036261 is a `hidden beast` number, since 6 + 3 + 7 + 5 + 4 + 4 + 7 + 0 + 3 + 626 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (6375447036229) and next prime (6375447036293).

It can be written as a sum of positive squares in 2 ways, for example, as 5480163950625 + 895283085636 = 2340975^2 + 946194^2 .

It is not a de Polignac number, because 6375447036261 - 2⁵ = 6375447036229 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6375447036198 and 6375447036207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6375447236261) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5554975 + ... + 6603683.

It is an arithmetic number, because the mean of its divisors is an integer number (767416788905).

Almost surely, 2^{6375447036261} is an apocalyptic number.

It is an amenable number.

6375447036261 is a deficient number, since it is larger than the sum of its proper divisors (2833554430599).

6375447036261 is a wasteful number, since it uses less digits than its factorization.

6375447036261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1724196 (or 1724193 counting only the distinct ones).

The product of its (nonzero) digits is 15240960, while the sum is 54.

The spelling of 6375447036261 in words is "six trillion, three hundred seventy-five billion, four hundred forty-seven million, thirty-six thousand, two hundred sixty-one".