3524697816 has 64 divisors (see below), whose sum is σ = 9140709600. Its totient is φ = 1131260928.

The previous prime is 3524697769. The next prime is 3524697817. The reversal of 3524697816 is 6187964253.

3524697816 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3524697817) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 252820 + ... + 266396.

Almost surely, 2^3524697816 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3524697816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4570354800).

3524697816 is an abundant number, since it is smaller than the sum of its proper divisors (5616011784).

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

3524697816 is a wasteful number, since it uses less digits than its factorization.

3524697816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13988 (or 13984 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 51.

The square root of 3524697816 is about 59369.1655322862. The cubic root of 3524697816 is about 1521.8574096442.

The spelling of 3524697816 in words is "three billion, five hundred twenty-four million, six hundred ninety-seven thousand, eight hundred sixteen".