1436216432421 has 16 divisors (see below), whose sum is σ = 1916771818880. Its totient is φ = 956569616640.

The previous prime is 1436216432389. The next prime is 1436216432461. The reversal of 1436216432421 is 1242346126341.

It is not a de Polignac number, because 1436216432421 - 2⁵ = 1436216432389 is a prime.

It is a super-2 number, since 2×1436216432421² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1436216432421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1436216432461) 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, 22513656 + ... + 22577358.

It is an arithmetic number, because the mean of its divisors is an integer number (119798238680).

Almost surely, 2^{1436216432421} is an apocalyptic number.

It is an amenable number.

1436216432421 is a deficient number, since it is larger than the sum of its proper divisors (480555386459).

1436216432421 is a wasteful number, since it uses less digits than its factorization.

1436216432421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70716.

The product of its digits is 165888, while the sum is 39.

The spelling of 1436216432421 in words is "one trillion, four hundred thirty-six billion, two hundred sixteen million, four hundred thirty-two thousand, four hundred twenty-one".