1941489829 has 2 divisors, whose sum is σ = 1941489830. Its totient is φ = 1941489828.

The previous prime is 1941489791. The next prime is 1941489853. The reversal of 1941489829 is 9289841491.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1814589604 + 126900225 = 42598^2 + 11265^2 .

It is a cyclic number.

It is not a de Polignac number, because 1941489829 - 2¹⁵ = 1941457061 is a prime.

It is a super-2 number, since 2×1941489829² = 7538765512220898482, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1941489829.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1941489229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 970744914 + 970744915.

It is an arithmetic number, because the mean of its divisors is an integer number (970744915).

Almost surely, 2^1941489829 is an apocalyptic number.

It is an amenable number.

1941489829 is a deficient number, since it is larger than the sum of its proper divisors (1).

1941489829 is an equidigital number, since it uses as much as digits as its factorization.

1941489829 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1492992, while the sum is 55.

The square root of 1941489829 is about 44062.3402578665. The cubic root of 1941489829 is about 1247.5128848754.

The spelling of 1941489829 in words is "one billion, nine hundred forty-one million, four hundred eighty-nine thousand, eight hundred twenty-nine".