1969149041 has 2 divisors, whose sum is σ = 1969149042. Its totient is φ = 1969149040.

The previous prime is 1969149031. The next prime is 1969149167. The reversal of 1969149041 is 1409419691.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1713628816 + 255520225 = 41396^2 + 15985^2 .

It is a cyclic number.

It is not a de Polignac number, because 1969149041 - 2⁶ = 1969148977 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1969148983 and 1969149001.

It is not a weakly prime, because it can be changed into another prime (1969149001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 984574520 + 984574521.

It is an arithmetic number, because the mean of its divisors is an integer number (984574521).

Almost surely, 2^1969149041 is an apocalyptic number.

It is an amenable number.

1969149041 is a deficient number, since it is larger than the sum of its proper divisors (1).

1969149041 is an equidigital number, since it uses as much as digits as its factorization.

1969149041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69984, while the sum is 44.

The square root of 1969149041 is about 44375.0948280677. The cubic root of 1969149041 is about 1253.4091557529.

The spelling of 1969149041 in words is "one billion, nine hundred sixty-nine million, one hundred forty-nine thousand, forty-one".