4698521538 has 16 divisors (see below), whose sum is σ = 9416666880. Its totient is φ = 1562903216.

The previous prime is 4698521431. The next prime is 4698521551. The reversal of 4698521538 is 8351258964.

It is a super-2 number, since 2×4698521538² = 44152209286099770888, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 814545 + ... + 820292.

It is an arithmetic number, because the mean of its divisors is an integer number (588541680).

Almost surely, 2^4698521538 is an apocalyptic number.

4698521538 is an abundant number, since it is smaller than the sum of its proper divisors (4718145342).

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

4698521538 is a wasteful number, since it uses less digits than its factorization.

4698521538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1635321.

The product of its digits is 2073600, while the sum is 51.

The square root of 4698521538 is about 68545.7623635480. The cubic root of 4698521538 is about 1674.8930250832.

The spelling of 4698521538 in words is "four billion, six hundred ninety-eight million, five hundred twenty-one thousand, five hundred thirty-eight".