6261149427 has 16 divisors (see below), whose sum is σ = 8995499520. Its totient is φ = 3850816032.

The previous prime is 6261149423. The next prime is 6261149429. The reversal of 6261149427 is 7249411626.

It is not a de Polignac number, because 6261149427 - 2² = 6261149423 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6261149423) 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 15 ways as a sum of consecutive naturals, for example, 24774 + ... + 114612.

It is an arithmetic number, because the mean of its divisors is an integer number (562218720).

Almost surely, 2^6261149427 is an apocalyptic number.

6261149427 is a deficient number, since it is larger than the sum of its proper divisors (2734350093).

6261149427 is a wasteful number, since it uses less digits than its factorization.

6261149427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91642.

The product of its digits is 145152, while the sum is 42.

The square root of 6261149427 is about 79127.4252519315. The cubic root of 6261149427 is about 1843.1104277163.

The spelling of 6261149427 in words is "six billion, two hundred sixty-one million, one hundred forty-nine thousand, four hundred twenty-seven".