4539851902 has 4 divisors (see below), whose sum is σ = 6809777856. Its totient is φ = 2269925950.

The previous prime is 4539851881. The next prime is 4539851903. The reversal of 4539851902 is 2091589354.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×4539851902² = 41220510584186035208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4539851903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1134962974 + ... + 1134962977.

It is an arithmetic number, because the mean of its divisors is an integer number (1702444464).

Almost surely, 2^4539851902 is an apocalyptic number.

4539851902 is a deficient number, since it is larger than the sum of its proper divisors (2269925954).

4539851902 is a wasteful number, since it uses less digits than its factorization.

4539851902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2269925953.

The product of its (nonzero) digits is 388800, while the sum is 46.

The square root of 4539851902 is about 67378.4231189778. The cubic root of 4539851902 is about 1655.8229405221.

The spelling of 4539851902 in words is "four billion, five hundred thirty-nine million, eight hundred fifty-one thousand, nine hundred two".