1434214216781 has 16 divisors (see below), whose sum is σ = 1459106611200. Its totient is φ = 1409493207408.

The previous prime is 1434214216777. The next prime is 1434214216811. The reversal of 1434214216781 is 1876124124341.

It is a cyclic number.

It is not a de Polignac number, because 1434214216781 - 2² = 1434214216777 is a prime.

It is a super-2 number, since 2×1434214216781² (a number of 25 digits) 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 (1434214216741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120485876 + ... + 120497778.

It is an arithmetic number, because the mean of its divisors is an integer number (91194163200).

Almost surely, 2^{1434214216781} is an apocalyptic number.

It is an amenable number.

1434214216781 is a deficient number, since it is larger than the sum of its proper divisors (24892394419).

1434214216781 is a wasteful number, since it uses less digits than its factorization.

1434214216781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18928.

The product of its digits is 258048, while the sum is 44.

The spelling of 1434214216781 in words is "one trillion, four hundred thirty-four billion, two hundred fourteen million, two hundred sixteen thousand, seven hundred eighty-one".