2493896149 has 4 divisors (see below), whose sum is σ = 2494095520. Its totient is φ = 2493696780.

The previous prime is 2493896147. The next prime is 2493896159. The reversal of 2493896149 is 9416983942.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9416983942 = 2 ⋅4708491971.

It is a cyclic number.

It is not a de Polignac number, because 2493896149 - 2¹ = 2493896147 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2493896149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2493896147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79569 + ... + 106390.

It is an arithmetic number, because the mean of its divisors is an integer number (623523880).

Almost surely, 2^2493896149 is an apocalyptic number.

It is an amenable number.

2493896149 is a deficient number, since it is larger than the sum of its proper divisors (199371).

2493896149 is a wasteful number, since it uses less digits than its factorization.

2493896149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199370.

The product of its digits is 3359232, while the sum is 55.

The square root of 2493896149 is about 49938.9241874512. The cubic root of 2493896149 is about 1356.1033480879.

The spelling of 2493896149 in words is "two billion, four hundred ninety-three million, eight hundred ninety-six thousand, one hundred forty-nine".