3523519649 has 8 divisors (see below), whose sum is σ = 3797664360. Its totient is φ = 3249818496.

The previous prime is 3523519621. The next prime is 3523519663. The reversal of 3523519649 is 9469153253.

It can be written as a sum of positive squares in 4 ways, for example, as 2074347025 + 1449172624 = 45545^2 + 38068^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3523519649 - 2¹⁶ = 3523454113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3523519679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94292 + ... + 126245.

It is an arithmetic number, because the mean of its divisors is an integer number (474708045).

Almost surely, 2^3523519649 is an apocalyptic number.

It is an amenable number.

3523519649 is a deficient number, since it is larger than the sum of its proper divisors (274144711).

3523519649 is a wasteful number, since it uses less digits than its factorization.

3523519649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221779.

The product of its digits is 874800, while the sum is 47.

The square root of 3523519649 is about 59359.2423216469. The cubic root of 3523519649 is about 1521.6878251781.

The spelling of 3523519649 in words is "three billion, five hundred twenty-three million, five hundred nineteen thousand, six hundred forty-nine".