981319441269 has 8 divisors (see below), whose sum is σ = 1308434871712. Its totient is φ = 654208485840.

The previous prime is 981319441247. The next prime is 981319441301. The reversal of 981319441269 is 962144913189.

It is a happy number.

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

It is not a de Polignac number, because 981319441269 - 2⁵ = 981319441237 is a prime.

It is a super-2 number, since 2×981319441269² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (981319441169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 568402 + ... + 1511859.

It is an arithmetic number, because the mean of its divisors is an integer number (163554358964).

Almost surely, 2^981319441269 is an apocalyptic number.

It is an amenable number.

981319441269 is a deficient number, since it is larger than the sum of its proper divisors (327115430443).

981319441269 is a wasteful number, since it uses less digits than its factorization.

981319441269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2237507.

The product of its digits is 3359232, while the sum is 57.

The spelling of 981319441269 in words is "nine hundred eighty-one billion, three hundred nineteen million, four hundred forty-one thousand, two hundred sixty-nine".