2542455669 has 16 divisors (see below), whose sum is σ = 3768472064. Its totient is φ = 1514116800.

The previous prime is 2542455659. The next prime is 2542455679. The reversal of 2542455669 is 9665542452.

It is an interprime number because it is at equal distance from previous prime (2542455659) and next prime (2542455679).

It is not a de Polignac number, because 2542455669 - 2⁴ = 2542455653 is a prime.

It is a super-2 number, since 2×2542455669² = 12928161657660475122, 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 (2542455649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1050262 + ... + 1052679.

It is an arithmetic number, because the mean of its divisors is an integer number (235529504).

Almost surely, 2^2542455669 is an apocalyptic number.

It is an amenable number.

2542455669 is a deficient number, since it is larger than the sum of its proper divisors (1226016395).

2542455669 is a wasteful number, since it uses less digits than its factorization.

2542455669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2102988.

The product of its digits is 2592000, while the sum is 48.

The square root of 2542455669 is about 50422.7693507606. The cubic root of 2542455669 is about 1364.8485511371.

The spelling of 2542455669 in words is "two billion, five hundred forty-two million, four hundred fifty-five thousand, six hundred sixty-nine".