3528503021761 has 3 divisors (see below), whose sum is σ = 3528504900193. Its totient is φ = 3528501143330.

The previous prime is 3528503021759. The next prime is 3528503021767. The reversal of 3528503021761 is 1671203058253.

The square root of 3528503021761 is 1878431.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 3528503021761 - 2¹ = 3528503021759 is a prime.

It is a super-2 number, since 2×3528503021761² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3528503021767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 939216 + ... + 2817646.

Almost surely, 2^{3528503021761} is an apocalyptic number.

3528503021761 is the 1878431-st square number.

3528503021761 is the 939216-th centered octagonal number.

It is an amenable number.

3528503021761 is a deficient number, since it is larger than the sum of its proper divisors (1878432).

3528503021761 is an frugal number, since it uses more digits than its factorization.

3528503021761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3756862 (or 1878431 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 43.

The spelling of 3528503021761 in words is "three trillion, five hundred twenty-eight billion, five hundred three million, twenty-one thousand, seven hundred sixty-one".