2104589381 has 2 divisors, whose sum is σ = 2104589382. Its totient is φ = 2104589380.

The previous prime is 2104589369. The next prime is 2104589387. The reversal of 2104589381 is 1839854012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1710566881 + 394022500 = 41359^2 + 19850^2 .

It is a cyclic number.

It is not a de Polignac number, because 2104589381 - 2⁶ = 2104589317 is a prime.

It is a super-2 number, since 2×2104589381² = 8858592925235926322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2104589387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1052294690 + 1052294691.

It is an arithmetic number, because the mean of its divisors is an integer number (1052294691).

Almost surely, 2^2104589381 is an apocalyptic number.

It is an amenable number.

2104589381 is a deficient number, since it is larger than the sum of its proper divisors (1).

2104589381 is an equidigital number, since it uses as much as digits as its factorization.

2104589381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69120, while the sum is 41.

The square root of 2104589381 is about 45875.8038730658. The cubic root of 2104589381 is about 1281.5113538120.

The spelling of 2104589381 in words is "two billion, one hundred four million, five hundred eighty-nine thousand, three hundred eighty-one".