4563121542 has 16 divisors (see below), whose sum is σ = 10429992192. Its totient is φ = 1303749000.

The previous prime is 4563121523. The next prime is 4563121543. The reversal of 4563121542 is 2451213654.

It is a super-4 number, since 4×4563121542⁴ (a number of 40 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4563121543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54322834 + ... + 54322917.

It is an arithmetic number, because the mean of its divisors is an integer number (651874512).

Almost surely, 2^4563121542 is an apocalyptic number.

4563121542 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

4563121542 is an abundant number, since it is smaller than the sum of its proper divisors (5866870650).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4563121542 is a wasteful number, since it uses less digits than its factorization.

4563121542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108645763.

The product of its digits is 28800, while the sum is 33.

The square root of 4563121542 is about 67550.8811341495. The cubic root of 4563121542 is about 1658.6471706516.

The spelling of 4563121542 in words is "four billion, five hundred sixty-three million, one hundred twenty-one thousand, five hundred forty-two".