2493749161 has 4 divisors (see below), whose sum is σ = 2493865872. Its totient is φ = 2493632452.

The previous prime is 2493749149. The next prime is 2493749173. The reversal of 2493749161 is 1619473942.

2493749161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (2493749149) and next prime (2493749173).

It is a cyclic number.

It is not a de Polignac number, because 2493749161 - 2⁵ = 2493749129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2493749101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16111 + ... + 72436.

It is an arithmetic number, because the mean of its divisors is an integer number (623466468).

Almost surely, 2^2493749161 is an apocalyptic number.

It is an amenable number.

2493749161 is a deficient number, since it is larger than the sum of its proper divisors (116711).

2493749161 is an equidigital number, since it uses as much as digits as its factorization.

2493749161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116710.

The product of its digits is 326592, while the sum is 46.

The square root of 2493749161 is about 49937.4524880875. The cubic root of 2493749161 is about 1356.0767050599.

The spelling of 2493749161 in words is "two billion, four hundred ninety-three million, seven hundred forty-nine thousand, one hundred sixty-one".