2049267881618 has 32 divisors (see below), whose sum is σ = 3101754902400. Its totient is φ = 1015398262656.

The previous prime is 2049267881599. The next prime is 2049267881663. The reversal of 2049267881618 is 8161887629402.

It is a super-2 number, since 2×2049267881618² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151644830 + ... + 151658342.

It is an arithmetic number, because the mean of its divisors is an integer number (96929840700).

Almost surely, 2^{2049267881618} is an apocalyptic number.

2049267881618 is a deficient number, since it is larger than the sum of its proper divisors (1052487020782).

2049267881618 is a wasteful number, since it uses less digits than its factorization.

2049267881618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15266.

The product of its (nonzero) digits is 18579456, while the sum is 62.

The spelling of 2049267881618 in words is "two trillion, forty-nine billion, two hundred sixty-seven million, eight hundred eighty-one thousand, six hundred eighteen".