4539618690 has 16 divisors (see below), whose sum is σ = 10895084928. Its totient is φ = 1210564976.

The previous prime is 4539618659. The next prime is 4539618691. The reversal of 4539618690 is 968169354.

It is a super-2 number, since 2×4539618690² = 41216275701194632200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4539618691) by changing a digit.

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, 75660282 + ... + 75660341.

It is an arithmetic number, because the mean of its divisors is an integer number (680942808).

Almost surely, 2^4539618690 is an apocalyptic number.

4539618690 is an abundant number, since it is smaller than the sum of its proper divisors (6355466238).

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

4539618690 is a wasteful number, since it uses less digits than its factorization.

4539618690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151320633.

The product of its (nonzero) digits is 1399680, while the sum is 51.

The square root of 4539618690 is about 67376.6924833803. The cubic root of 4539618690 is about 1655.7945868518.

The spelling of 4539618690 in words is "four billion, five hundred thirty-nine million, six hundred eighteen thousand, six hundred ninety".