1416921393 has 4 divisors (see below), whose sum is σ = 1889228528. Its totient is φ = 944614260.

The previous prime is 1416921391. The next prime is 1416921421. The reversal of 1416921393 is 3931296141.

It is a happy number.

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 not a de Polignac number, because 1416921393 - 2¹ = 1416921391 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1416921391) 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, 236153563 + ... + 236153568.

It is an arithmetic number, because the mean of its divisors is an integer number (472307132).

Almost surely, 2^1416921393 is an apocalyptic number.

It is an amenable number.

1416921393 is a deficient number, since it is larger than the sum of its proper divisors (472307135).

1416921393 is an equidigital number, since it uses as much as digits as its factorization.

1416921393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472307134.

The product of its digits is 34992, while the sum is 39.

The square root of 1416921393 is about 37642.0163248464. The cubic root of 1416921393 is about 1123.1779937549.

The spelling of 1416921393 in words is "one billion, four hundred sixteen million, nine hundred twenty-one thousand, three hundred ninety-three".