1425613442026 has 4 divisors (see below), whose sum is σ = 2138420163042. Its totient is φ = 712806721012.

The previous prime is 1425613442023. The next prime is 1425613442027. The reversal of 1425613442026 is 6202443165241.

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., 1386739404801 + 38874037225 = 1177599^2 + 197165^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 1425613442026.

It is not an unprimeable number, because it can be changed into a prime (1425613442023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 356403360505 + ... + 356403360508.

Almost surely, 2^{1425613442026} is an apocalyptic number.

1425613442026 is a deficient number, since it is larger than the sum of its proper divisors (712806721016).

1425613442026 is an equidigital number, since it uses as much as digits as its factorization.

1425613442026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712806721015.

The product of its (nonzero) digits is 276480, while the sum is 40.

The spelling of 1425613442026 in words is "one trillion, four hundred twenty-five billion, six hundred thirteen million, four hundred forty-two thousand, twenty-six".