3536873621 has 4 divisors (see below), whose sum is σ = 3540007500. Its totient is φ = 3533739744.

The previous prime is 3536873603. The next prime is 3536873629. The reversal of 3536873621 is 1263786353.

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

It can be written as a sum of positive squares in 2 ways, for example, as 315062500 + 3221811121 = 17750^2 + 56761^2 .

It is a cyclic number.

It is not a de Polignac number, because 3536873621 - 2¹⁴ = 3536857237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3536873629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1565246 + ... + 1567503.

It is an arithmetic number, because the mean of its divisors is an integer number (885001875).

Almost surely, 2^3536873621 is an apocalyptic number.

It is an amenable number.

3536873621 is a deficient number, since it is larger than the sum of its proper divisors (3133879).

3536873621 is a wasteful number, since it uses less digits than its factorization.

3536873621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3133878.

The product of its digits is 544320, while the sum is 44.

The square root of 3536873621 is about 59471.6202990973. The cubic root of 3536873621 is about 1523.6077765532.

The spelling of 3536873621 in words is "three billion, five hundred thirty-six million, eight hundred seventy-three thousand, six hundred twenty-one".