3621412889 has 2 divisors, whose sum is σ = 3621412890. Its totient is φ = 3621412888.

The previous prime is 3621412867. The next prime is 3621412897. The reversal of 3621412889 is 9882141263.

It is a happy number.

3621412889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3154507225 + 466905664 = 56165^2 + 21608^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3621412889 is a prime.

It is a super-2 number, since 2×3621412889² = 26229262625230652642, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3621412589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1810706444 + 1810706445.

It is an arithmetic number, because the mean of its divisors is an integer number (1810706445).

Almost surely, 2^3621412889 is an apocalyptic number.

It is an amenable number.

3621412889 is a deficient number, since it is larger than the sum of its proper divisors (1).

3621412889 is an equidigital number, since it uses as much as digits as its factorization.

3621412889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 165888, while the sum is 44.

The square root of 3621412889 is about 60178.1761853913. The cubic root of 3621412889 is about 1535.6515448584.

The spelling of 3621412889 in words is "three billion, six hundred twenty-one million, four hundred twelve thousand, eight hundred eighty-nine".