1427960943 has 12 divisors (see below), whose sum is σ = 2118356968. Its totient is φ = 926244720.

The previous prime is 1427960939. The next prime is 1427960969. The reversal of 1427960943 is 3490697241.

It is a happy number.

1427960943 is a `hidden beast` number, since 14 + 27 + 9 + 609 + 4 + 3 = 666.

It is not a de Polignac number, because 1427960943 - 2² = 1427960939 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 (1427960243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2143753 + ... + 2144418.

Almost surely, 2^1427960943 is an apocalyptic number.

1427960943 is a deficient number, since it is larger than the sum of its proper divisors (690396025).

1427960943 is a wasteful number, since it uses less digits than its factorization.

1427960943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4288214 (or 4288211 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The square root of 1427960943 is about 37788.3704729378. The cubic root of 1427960943 is about 1126.0874273666.

The spelling of 1427960943 in words is "one billion, four hundred twenty-seven million, nine hundred sixty thousand, nine hundred forty-three".