3621739679 has 2 divisors, whose sum is σ = 3621739680. Its totient is φ = 3621739678.

The previous prime is 3621739657. The next prime is 3621739699. The reversal of 3621739679 is 9769371263.

It is a strong prime.

It is an emirp because it is prime and its reverse (9769371263) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3621739679 - 2¹² = 3621735583 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3621739679.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3621739699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1810869839 + 1810869840.

It is an arithmetic number, because the mean of its divisors is an integer number (1810869840).

Almost surely, 2^3621739679 is an apocalyptic number.

3621739679 is a deficient number, since it is larger than the sum of its proper divisors (1).

3621739679 is an equidigital number, since it uses as much as digits as its factorization.

3621739679 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2571912, while the sum is 53.

The square root of 3621739679 is about 60180.8913111130. The cubic root of 3621739679 is about 1535.6977349771.

The spelling of 3621739679 in words is "three billion, six hundred twenty-one million, seven hundred thirty-nine thousand, six hundred seventy-nine".