1427693995 has 64 divisors (see below), whose sum is σ = 2196504576. Its totient is φ = 866557440.

The previous prime is 1427693989. The next prime is 1427694007. The reversal of 1427693995 is 5993967241.

It is a happy number.

It is not a de Polignac number, because 1427693995 - 2³ = 1427693987 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1790937 + ... + 1791733.

It is an arithmetic number, because the mean of its divisors is an integer number (34320384).

Almost surely, 2^1427693995 is an apocalyptic number.

1427693995 is a deficient number, since it is larger than the sum of its proper divisors (768810581).

1427693995 is a wasteful number, since it uses less digits than its factorization.

1427693995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 980.

The product of its digits is 3674160, while the sum is 55.

The square root of 1427693995 is about 37784.8381629457. The cubic root of 1427693995 is about 1126.0172514228.

The spelling of 1427693995 in words is "one billion, four hundred twenty-seven million, six hundred ninety-three thousand, nine hundred ninety-five".