3649342016 has 28 divisors (see below), whose sum is σ = 7251275820. Its totient is φ = 1822248960.

The previous prime is 3649341953. The next prime is 3649342057. The reversal of 3649342016 is 6102439463.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1651609600 + 1997732416 = 40640^2 + 44696^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 11240 + ... + 86168.

Almost surely, 2^3649342016 is an apocalyptic number.

It is an amenable number.

3649342016 is a deficient number, since it is larger than the sum of its proper divisors (3601933804).

3649342016 is an equidigital number, since it uses as much as digits as its factorization.

3649342016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75702 (or 75692 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 38.

The square root of 3649342016 is about 60409.7841082055. The cubic root of 3649342016 is about 1539.5891994732.

The spelling of 3649342016 in words is "three billion, six hundred forty-nine million, three hundred forty-two thousand, sixteen".