1426047764 has 6 divisors (see below), whose sum is σ = 2495583594. Its totient is φ = 713023880.

The previous prime is 1426047751. The next prime is 1426047767. The reversal of 1426047764 is 4677406241.

It can be written as a sum of positive squares in only one way, i.e., 1346302864 + 79744900 = 36692^2 + 8930^2 .

It is a super-2 number, since 2×1426047764² = 4067224450418799392, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1426047767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 178255967 + ... + 178255974.

It is an arithmetic number, because the mean of its divisors is an integer number (415930599).

Almost surely, 2^1426047764 is an apocalyptic number.

It is an amenable number.

1426047764 is a deficient number, since it is larger than the sum of its proper divisors (1069535830).

1426047764 is a wasteful number, since it uses less digits than its factorization.

1426047764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356511945 (or 356511943 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 41.

The square root of 1426047764 is about 37763.0475994722. The cubic root of 1426047764 is about 1125.5842927624.

The spelling of 1426047764 in words is "one billion, four hundred twenty-six million, forty-seven thousand, seven hundred sixty-four".