2421105542 has 16 divisors (see below), whose sum is σ = 3794094000. Its totient is φ = 1157234400.

The previous prime is 2421105527. The next prime is 2421105553. The reversal of 2421105542 is 2455011242.

It is a super-2 number, since 2×2421105542² = 11723504091006227528, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200792 + ... + 212507.

It is an arithmetic number, because the mean of its divisors is an integer number (237130875).

Almost surely, 2^2421105542 is an apocalyptic number.

2421105542 is a deficient number, since it is larger than the sum of its proper divisors (1372988458).

2421105542 is a wasteful number, since it uses less digits than its factorization.

2421105542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413431.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 2421105542 is about 49204.7308904337. The cubic root of 2421105542 is about 1342.7791030690.

Adding to 2421105542 its reverse (2455011242), we get a palindrome (4876116784).

The spelling of 2421105542 in words is "two billion, four hundred twenty-one million, one hundred five thousand, five hundred forty-two".