1427645026 has 4 divisors (see below), whose sum is σ = 2141467542. Its totient is φ = 713822512.

The previous prime is 1427644991. The next prime is 1427645027. The reversal of 1427645026 is 6205467241.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 739894401 + 687750625 = 27201^2 + 26225^2 .

It is not an unprimeable number, because it can be changed into a prime (1427645027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 356911255 + ... + 356911258.

Almost surely, 2^1427645026 is an apocalyptic number.

1427645026 is a deficient number, since it is larger than the sum of its proper divisors (713822516).

1427645026 is an equidigital number, since it uses as much as digits as its factorization.

1427645026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713822515.

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 1427645026 is about 37784.1901593775. The cubic root of 1427645026 is about 1126.0043773827.

The spelling of 1427645026 in words is "one billion, four hundred twenty-seven million, six hundred forty-five thousand, twenty-six".