3536721852 has 12 divisors (see below), whose sum is σ = 8252351016. Its totient is φ = 1178907280.

The previous prime is 3536721841. The next prime is 3536721863. The reversal of 3536721852 is 2581276353.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3536721841) and next prime (3536721863).

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147363399 + ... + 147363422.

It is an arithmetic number, because the mean of its divisors is an integer number (687695918).

Almost surely, 2^3536721852 is an apocalyptic number.

It is an amenable number.

3536721852 is an abundant number, since it is smaller than the sum of its proper divisors (4715629164).

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

3536721852 is a wasteful number, since it uses less digits than its factorization.

3536721852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294726828 (or 294726826 counting only the distinct ones).

The product of its digits is 302400, while the sum is 42.

The square root of 3536721852 is about 59470.3443070578. The cubic root of 3536721852 is about 1523.5859833199.

The spelling of 3536721852 in words is "three billion, five hundred thirty-six million, seven hundred twenty-one thousand, eight hundred fifty-two".