4531616542 has 4 divisors (see below), whose sum is σ = 6797424816. Its totient is φ = 2265808270.

The previous prime is 4531616519. The next prime is 4531616563. The reversal of 4531616542 is 2456161354.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2456161354 = 2 ⋅1228080677.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1132904134 + ... + 1132904137.

It is an arithmetic number, because the mean of its divisors is an integer number (1699356204).

Almost surely, 2^4531616542 is an apocalyptic number.

4531616542 is a deficient number, since it is larger than the sum of its proper divisors (2265808274).

4531616542 is a wasteful number, since it uses less digits than its factorization.

4531616542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2265808273.

The product of its digits is 86400, while the sum is 37.

The square root of 4531616542 is about 67317.2826397501. The cubic root of 4531616542 is about 1654.8211052119.

Adding to 4531616542 its reverse (2456161354), we get a palindrome (6987777896).

The spelling of 4531616542 in words is "four billion, five hundred thirty-one million, six hundred sixteen thousand, five hundred forty-two".