1425544193436 has 48 divisors (see below), whose sum is σ = 3629053048320. Its totient is φ = 431936053120.

The previous prime is 1425544193387. The next prime is 1425544193443. The reversal of 1425544193436 is 6343914455241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 638605 + ... + 1805243.

It is an arithmetic number, because the mean of its divisors is an integer number (75605271840).

Almost surely, 2^{1425544193436} is an apocalyptic number.

It is an amenable number.

1425544193436 is an abundant number, since it is smaller than the sum of its proper divisors (2203508854884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1425544193436 is a wasteful number, since it uses less digits than its factorization.

1425544193436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1175914 (or 1175912 counting only the distinct ones).

The product of its digits is 6220800, while the sum is 51.

The spelling of 1425544193436 in words is "one trillion, four hundred twenty-five billion, five hundred forty-four million, one hundred ninety-three thousand, four hundred thirty-six".