1426154673 has 4 divisors (see below), whose sum is σ = 1901539568. Its totient is φ = 950769780.

The previous prime is 1426154669. The next prime is 1426154693. The reversal of 1426154673 is 3764516241.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1426154673 - 2² = 1426154669 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1426154623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237692443 + ... + 237692448.

It is an arithmetic number, because the mean of its divisors is an integer number (475384892).

Almost surely, 2^1426154673 is an apocalyptic number.

It is an amenable number.

1426154673 is a deficient number, since it is larger than the sum of its proper divisors (475384895).

1426154673 is an equidigital number, since it uses as much as digits as its factorization.

1426154673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475384894.

The product of its digits is 120960, while the sum is 39.

The square root of 1426154673 is about 37764.4630969381. The cubic root of 1426154673 is about 1125.6124199372.

The spelling of 1426154673 in words is "one billion, four hundred twenty-six million, one hundred fifty-four thousand, six hundred seventy-three".