1427253918 has 8 divisors (see below), whose sum is σ = 2854507848. Its totient is φ = 475751304.

The previous prime is 1427253889. The next prime is 1427253953. The reversal of 1427253918 is 8193527241.

It is a sphenic number, since it is the product of 3 distinct primes.

1427253918 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 1427253918.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118937821 + ... + 118937832.

It is an arithmetic number, because the mean of its divisors is an integer number (356813481).

Almost surely, 2^1427253918 is an apocalyptic number.

1427253918 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1427253918 is a wasteful number, since it uses less digits than its factorization.

1427253918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237875658.

The product of its digits is 120960, while the sum is 42.

The square root of 1427253918 is about 37779.0142539479. The cubic root of 1427253918 is about 1125.9015438039.

The spelling of 1427253918 in words is "one billion, four hundred twenty-seven million, two hundred fifty-three thousand, nine hundred eighteen".