6254757945 has 12 divisors (see below), whose sum is σ = 10841580516. Its totient is φ = 3335870880.

The previous prime is 6254757937. The next prime is 6254757989. The reversal of 6254757945 is 5497574526.

It is a happy number.

6254757945 is a `hidden beast` number, since 6 + 2 + 547 + 5 + 7 + 94 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1540013049 + 4714744896 = 39243^2 + 68664^2 .

It is not a de Polignac number, because 6254757945 - 2³ = 6254757937 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 6254757891 and 6254757900.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69497266 + ... + 69497355.

It is an arithmetic number, because the mean of its divisors is an integer number (903465043).

Almost surely, 2^6254757945 is an apocalyptic number.

It is an amenable number.

6254757945 is a deficient number, since it is larger than the sum of its proper divisors (4586822571).

6254757945 is a wasteful number, since it uses less digits than its factorization.

6254757945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138994632 (or 138994629 counting only the distinct ones).

The product of its digits is 10584000, while the sum is 54.

The square root of 6254757945 is about 79087.0276657304. The cubic root of 6254757945 is about 1842.4830552714.

The spelling of 6254757945 in words is "six billion, two hundred fifty-four million, seven hundred fifty-seven thousand, nine hundred forty-five".