4519720542 has 8 divisors (see below), whose sum is σ = 9039441096. Its totient is φ = 1506573512.

The previous prime is 4519720537. The next prime is 4519720603. The reversal of 4519720542 is 2450279154.

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

4519720542 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 4519720542.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 376643373 + ... + 376643384.

It is an arithmetic number, because the mean of its divisors is an integer number (1129930137).

Almost surely, 2^4519720542 is an apocalyptic number.

4519720542 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

4519720542 is a wasteful number, since it uses less digits than its factorization.

4519720542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 753286762.

The product of its (nonzero) digits is 100800, while the sum is 39.

The square root of 4519720542 is about 67228.8668802323. The cubic root of 4519720542 is about 1653.3718061507.

Adding to 4519720542 its reverse (2450279154), we get a palindrome (6969999696).

The spelling of 4519720542 in words is "four billion, five hundred nineteen million, seven hundred twenty thousand, five hundred forty-two".