1425635221426 has 32 divisors (see below), whose sum is σ = 2544434944128. Its totient is φ = 592355216640.

The previous prime is 1425635221393. The next prime is 1425635221429. The reversal of 1425635221426 is 6241225365241.

It is not an unprimeable number, because it can be changed into a prime (1425635221429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70107640 + ... + 70127971.

It is an arithmetic number, because the mean of its divisors is an integer number (79513592004).

Almost surely, 2^{1425635221426} is an apocalyptic number.

1425635221426 is a deficient number, since it is larger than the sum of its proper divisors (1118799722702).

1425635221426 is a wasteful number, since it uses less digits than its factorization.

1425635221426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140235666.

The product of its digits is 691200, while the sum is 43.

The spelling of 1425635221426 in words is "one trillion, four hundred twenty-five billion, six hundred thirty-five million, two hundred twenty-one thousand, four hundred twenty-six".