1969144411 has 8 divisors (see below), whose sum is σ = 2156560560. Its totient is φ = 1786863072.

The previous prime is 1969144393. The next prime is 1969144469. The reversal of 1969144411 is 1144419691.

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 1969144411 - 2⁹ = 1969143899 is a prime.

It is a super-2 number, since 2×1969144411² = 7755059422745073842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1969144481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1282900 + ... + 1284433.

It is an arithmetic number, because the mean of its divisors is an integer number (269570070).

Almost surely, 2^1969144411 is an apocalyptic number.

1969144411 is a deficient number, since it is larger than the sum of its proper divisors (187416149).

1969144411 is a wasteful number, since it uses less digits than its factorization.

1969144411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2567405.

The product of its digits is 31104, while the sum is 40.

The square root of 1969144411 is about 44375.0426591344. The cubic root of 1969144411 is about 1253.4081733845.

The spelling of 1969144411 in words is "one billion, nine hundred sixty-nine million, one hundred forty-four thousand, four hundred eleven".