3621749314 has 4 divisors (see below), whose sum is σ = 5432623974. Its totient is φ = 1810874656.

The previous prime is 3621749311. The next prime is 3621749321. The reversal of 3621749314 is 4139471263.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4139471263 = 157 ⋅26366059.

It can be written as a sum of positive squares in only one way, i.e., 2387983689 + 1233765625 = 48867^2 + 35125^2 .

It is not an unprimeable number, because it can be changed into a prime (3621749311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 905437327 + ... + 905437330.

Almost surely, 2^3621749314 is an apocalyptic number.

3621749314 is a deficient number, since it is larger than the sum of its proper divisors (1810874660).

3621749314 is a wasteful number, since it uses less digits than its factorization.

3621749314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1810874659.

The product of its digits is 108864, while the sum is 40.

The square root of 3621749314 is about 60180.9713613863. The cubic root of 3621749314 is about 1535.6990967936.

The spelling of 3621749314 in words is "three billion, six hundred twenty-one million, seven hundred forty-nine thousand, three hundred fourteen".