2549727474618 has 16 divisors (see below), whose sum is σ = 5100513644160. Its totient is φ = 849732709056.

The previous prime is 2549727474617. The next prime is 2549727474641. The reversal of 2549727474618 is 8164747279452.

It is a super-2 number, since 2×2549727474618² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2549727474611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44080978 + ... + 44138781.

It is an arithmetic number, because the mean of its divisors is an integer number (318782102760).

Almost surely, 2^{2549727474618} is an apocalyptic number.

2549727474618 is an abundant number, since it is smaller than the sum of its proper divisors (2550786169542).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2549727474618 is a wasteful number, since it uses less digits than its factorization.

2549727474618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88224581.

The product of its digits is 189665280, while the sum is 66.

The spelling of 2549727474618 in words is "two trillion, five hundred forty-nine billion, seven hundred twenty-seven million, four hundred seventy-four thousand, six hundred eighteen".