3641621983 has 2 divisors, whose sum is σ = 3641621984. Its totient is φ = 3641621982.

The previous prime is 3641621953. The next prime is 3641622011. The reversal of 3641621983 is 3891261463.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3641621983 - 2¹⁷ = 3641490911 is a prime.

It is a super-2 number, since 2×3641621983² = 26522821334137704578, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3641621903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1820810991 + 1820810992.

It is an arithmetic number, because the mean of its divisors is an integer number (1820810992).

Almost surely, 2^3641621983 is an apocalyptic number.

3641621983 is a deficient number, since it is larger than the sum of its proper divisors (1).

3641621983 is an equidigital number, since it uses as much as digits as its factorization.

3641621983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 186624, while the sum is 43.

The square root of 3641621983 is about 60345.8530721043. The cubic root of 3641621983 is about 1538.5027871409.

The spelling of 3641621983 in words is "three billion, six hundred forty-one million, six hundred twenty-one thousand, nine hundred eighty-three".