1421433404 has 12 divisors (see below), whose sum is σ = 2487796584. Its totient is φ = 710634384.

The previous prime is 1421433401. The next prime is 1421433437. The reversal of 1421433404 is 4043341241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421433401) 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, 34874 + ... + 63710.

It is an arithmetic number, because the mean of its divisors is an integer number (207316382).

Almost surely, 2^1421433404 is an apocalyptic number.

It is an amenable number.

1421433404 is a deficient number, since it is larger than the sum of its proper divisors (1066363180).

1421433404 is a wasteful number, since it uses less digits than its factorization.

1421433404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41164 (or 41162 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 1421433404 is about 37701.9018618425. The cubic root of 1421433404 is about 1124.3689376638.

Adding to 1421433404 its reverse (4043341241), we get a palindrome (5464774645).

The spelling of 1421433404 in words is "one billion, four hundred twenty-one million, four hundred thirty-three thousand, four hundred four".