2542426645 has 8 divisors (see below), whose sum is σ = 3328267680. Its totient is φ = 1849037520.

The previous prime is 2542426637. The next prime is 2542426657. The reversal of 2542426645 is 5466242452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2542426645 - 2³ = 2542426637 is a prime.

It is a super-3 number, since 3×2542426645³ (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2542426598 and 2542426607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23112915 + ... + 23113024.

It is an arithmetic number, because the mean of its divisors is an integer number (416033460).

Almost surely, 2^2542426645 is an apocalyptic number.

It is an amenable number.

2542426645 is a deficient number, since it is larger than the sum of its proper divisors (785841035).

2542426645 is a wasteful number, since it uses less digits than its factorization.

2542426645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46225955.

The product of its digits is 460800, while the sum is 40.

The square root of 2542426645 is about 50422.4815434544. The cubic root of 2542426645 is about 1364.8433575343.

The spelling of 2542426645 in words is "two billion, five hundred forty-two million, four hundred twenty-six thousand, six hundred forty-five".