1969661141 has 8 divisors (see below), whose sum is σ = 2253451200. Its totient is φ = 1686473568.

The previous prime is 1969661119. The next prime is 1969661153. The reversal of 1969661141 is 1411669691.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1969661141 - 2¹⁸ = 1969398997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1969661092 and 1969661101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1969661041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143591 + ... + 156708.

It is an arithmetic number, because the mean of its divisors is an integer number (281681400).

Almost surely, 2^1969661141 is an apocalyptic number.

It is an amenable number.

1969661141 is a deficient number, since it is larger than the sum of its proper divisors (283790059).

1969661141 is an equidigital number, since it uses as much as digits as its factorization.

1969661141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301243.

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

The square root of 1969661141 is about 44380.8645814838. The cubic root of 1969661141 is about 1253.5178008548.

The spelling of 1969661141 in words is "one billion, nine hundred sixty-nine million, six hundred sixty-one thousand, one hundred forty-one".