3201629949 has 32 divisors (see below), whose sum is σ = 5423658240. Its totient is φ = 1828521216.

The previous prime is 3201629947. The next prime is 3201629953. The reversal of 3201629949 is 9499261023.

It is a happy number.

It is not a de Polignac number, because 3201629949 - 2¹ = 3201629947 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3201629947) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 491377 + ... + 497849.

It is an arithmetic number, because the mean of its divisors is an integer number (169489320).

Almost surely, 2^3201629949 is an apocalyptic number.

It is an amenable number.

3201629949 is a deficient number, since it is larger than the sum of its proper divisors (2222028291).

3201629949 is a wasteful number, since it uses less digits than its factorization.

3201629949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9106 (or 9100 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 45.

The square root of 3201629949 is about 56582.9475107121. The cubic root of 3201629949 is about 1473.8627562985.

The spelling of 3201629949 in words is "three billion, two hundred one million, six hundred twenty-nine thousand, nine hundred forty-nine".