1421440016771 has 8 divisors (see below), whose sum is σ = 1422158943744. Its totient is φ = 1420721236480.

The previous prime is 1421440016767. The next prime is 1421440016783. The reversal of 1421440016771 is 1776100441241.

It is a happy number.

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 1421440016771 - 2² = 1421440016767 is a prime.

It is a super-2 number, since 2×1421440016771² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1421440012771) 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, 22843361 + ... + 22905501.

It is an arithmetic number, because the mean of its divisors is an integer number (177769867968).

Almost surely, 2^{1421440016771} is an apocalyptic number.

1421440016771 is a deficient number, since it is larger than the sum of its proper divisors (718926973).

1421440016771 is an equidigital number, since it uses as much as digits as its factorization.

1421440016771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73341.

The product of its (nonzero) digits is 37632, while the sum is 38.

The spelling of 1421440016771 in words is "one trillion, four hundred twenty-one billion, four hundred forty million, sixteen thousand, seven hundred seventy-one".