1421659927 has 2 divisors, whose sum is σ = 1421659928. Its totient is φ = 1421659926.

The previous prime is 1421659919. The next prime is 1421659931. The reversal of 1421659927 is 7299561241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1421659927 - 2³ = 1421659919 is a prime.

It is a super-2 number, since 2×1421659927² = 4042233896075290658, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1421659957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710829963 + 710829964.

It is an arithmetic number, because the mean of its divisors is an integer number (710829964).

Almost surely, 2^1421659927 is an apocalyptic number.

1421659927 is a deficient number, since it is larger than the sum of its proper divisors (1).

1421659927 is an equidigital number, since it uses as much as digits as its factorization.

1421659927 is an evil number, because the sum of its binary digits is even.

The product of its digits is 272160, while the sum is 46.

The square root of 1421659927 is about 37704.9058744350. The cubic root of 1421659927 is about 1124.4286618586.

The spelling of 1421659927 in words is "one billion, four hundred twenty-one million, six hundred fifty-nine thousand, nine hundred twenty-seven".