1141944663 has 8 divisors (see below), whose sum is σ = 1522878976. Its totient is φ = 761153400.

The previous prime is 1141944659. The next prime is 1141944667. The reversal of 1141944663 is 3664491411.

It is an interprime number because it is at equal distance from previous prime (1141944659) and next prime (1141944667).

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

It is not a de Polignac number, because 1141944663 - 2² = 1141944659 is a prime.

It is a super-2 number, since 2×1141944663² = 2608075226708367138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1141944667) 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, 15493 + ... + 50238.

It is an arithmetic number, because the mean of its divisors is an integer number (190359872).

Almost surely, 2^1141944663 is an apocalyptic number.

1141944663 is a deficient number, since it is larger than the sum of its proper divisors (380934313).

1141944663 is an equidigital number, since it uses as much as digits as its factorization.

1141944663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71525.

The product of its digits is 62208, while the sum is 39.

The square root of 1141944663 is about 33792.6717351558. The cubic root of 1141944663 is about 1045.2375894995.

The spelling of 1141944663 in words is "one billion, one hundred forty-one million, nine hundred forty-four thousand, six hundred sixty-three".