7144916863881 has 4 divisors (see below), whose sum is σ = 9526555818512. Its totient is φ = 4763277909252.

The previous prime is 7144916863873. The next prime is 7144916863883. The reversal of 7144916863881 is 1883686194417.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 7144916863881 - 2³ = 7144916863873 is a prime.

It is a super-2 number, since 2×7144916863881² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7144916863883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1190819477311 + ... + 1190819477316.

It is an arithmetic number, because the mean of its divisors is an integer number (2381638954628).

Almost surely, 2^{7144916863881} is an apocalyptic number.

It is an amenable number.

7144916863881 is a deficient number, since it is larger than the sum of its proper divisors (2381638954631).

7144916863881 is a wasteful number, since it uses less digits than its factorization.

7144916863881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2381638954630.

The product of its digits is 55738368, while the sum is 66.

The spelling of 7144916863881 in words is "seven trillion, one hundred forty-four billion, nine hundred sixteen million, eight hundred sixty-three thousand, eight hundred eighty-one".