1432157214421 has 4 divisors (see below), whose sum is σ = 1432630971072. Its totient is φ = 1431683457772.

The previous prime is 1432157214419. The next prime is 1432157214431. The reversal of 1432157214421 is 1244127512341.

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 a cyclic number.

It is not a de Polignac number, because 1432157214421 - 2¹ = 1432157214419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1432157214431) 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 3 ways as a sum of consecutive naturals, for example, 236873791 + ... + 236879836.

It is an arithmetic number, because the mean of its divisors is an integer number (358157742768).

Almost surely, 2^{1432157214421} is an apocalyptic number.

It is an amenable number.

1432157214421 is a deficient number, since it is larger than the sum of its proper divisors (473756651).

1432157214421 is an equidigital number, since it uses as much as digits as its factorization.

1432157214421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473756650.

The product of its digits is 53760, while the sum is 37.

The spelling of 1432157214421 in words is "one trillion, four hundred thirty-two billion, one hundred fifty-seven million, two hundred fourteen thousand, four hundred twenty-one".