2452643542 has 4 divisors (see below), whose sum is σ = 3678965316. Its totient is φ = 1226321770.

The previous prime is 2452643509. The next prime is 2452643549. The reversal of 2452643542 is 2453462542.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×2452643542² = 12030920688228611528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2452643549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 613160884 + ... + 613160887.

It is an arithmetic number, because the mean of its divisors is an integer number (919741329).

Almost surely, 2^2452643542 is an apocalyptic number.

2452643542 is a deficient number, since it is larger than the sum of its proper divisors (1226321774).

2452643542 is a wasteful number, since it uses less digits than its factorization.

2452643542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1226321773.

The product of its digits is 230400, while the sum is 37.

The square root of 2452643542 is about 49524.1712903911. The cubic root of 2452643542 is about 1348.5844406792.

The spelling of 2452643542 in words is "two billion, four hundred fifty-two million, six hundred forty-three thousand, five hundred forty-two".