2493163655 has 4 divisors (see below), whose sum is σ = 2991796392. Its totient is φ = 1994530920.

The previous prime is 2493163643. The next prime is 2493163657. The reversal of 2493163655 is 5563613942.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5563613942 = 2 ⋅2781806971.

It is not a de Polignac number, because 2493163655 - 2⁴ = 2493163639 is a prime.

It is a super-2 number, since 2×2493163655² = 12431730021225918050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2493163657) 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, 249316361 + ... + 249316370.

It is an arithmetic number, because the mean of its divisors is an integer number (747949098).

Almost surely, 2^2493163655 is an apocalyptic number.

2493163655 is a deficient number, since it is larger than the sum of its proper divisors (498632737).

2493163655 is an equidigital number, since it uses as much as digits as its factorization.

2493163655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498632736.

The product of its digits is 583200, while the sum is 44.

The square root of 2493163655 is about 49931.5897503775. The cubic root of 2493163655 is about 1355.9705659170.

The spelling of 2493163655 in words is "two billion, four hundred ninety-three million, one hundred sixty-three thousand, six hundred fifty-five".