3621554039 has 2 divisors, whose sum is σ = 3621554040. Its totient is φ = 3621554038.

The previous prime is 3621554021. The next prime is 3621554099. The reversal of 3621554039 is 9304551263.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3621554039 - 2¹⁶ = 3621488503 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 3621553993 and 3621554011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3621554099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1810777019 + 1810777020.

It is an arithmetic number, because the mean of its divisors is an integer number (1810777020).

Almost surely, 2^3621554039 is an apocalyptic number.

3621554039 is a deficient number, since it is larger than the sum of its proper divisors (1).

3621554039 is an equidigital number, since it uses as much as digits as its factorization.

3621554039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 97200, while the sum is 38.

The square root of 3621554039 is about 60179.3489413104. The cubic root of 3621554039 is about 1535.6714960400.

The spelling of 3621554039 in words is "three billion, six hundred twenty-one million, five hundred fifty-four thousand, thirty-nine".