889369743421 has 4 divisors (see below), whose sum is σ = 889406795200. Its totient is φ = 889332691644.

The previous prime is 889369743419. The next prime is 889369743463. The reversal of 889369743421 is 124347963988.

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 889369743421 - 2¹ = 889369743419 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 (889169743421) 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, 18489861 + ... + 18537898.

It is an arithmetic number, because the mean of its divisors is an integer number (222351698800).

Almost surely, 2^889369743421 is an apocalyptic number.

It is an amenable number.

889369743421 is a deficient number, since it is larger than the sum of its proper divisors (37051779).

889369743421 is a wasteful number, since it uses less digits than its factorization.

889369743421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37051778.

The product of its digits is 62705664, while the sum is 64.

The spelling of 889369743421 in words is "eight hundred eighty-nine billion, three hundred sixty-nine million, seven hundred forty-three thousand, four hundred twenty-one".