1425759989838 has 64 divisors (see below), whose sum is σ = 2939516608512. Its totient is φ = 460756447200.

The previous prime is 1425759989831. The next prime is 1425759989867. The reversal of 1425759989838 is 8389899575241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1425759989831) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50748231 + ... + 50776317.

It is an arithmetic number, because the mean of its divisors is an integer number (45929947008).

Almost surely, 2^{1425759989838} is an apocalyptic number.

1425759989838 is an abundant number, since it is smaller than the sum of its proper divisors (1513756618674).

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

1425759989838 is a wasteful number, since it uses less digits than its factorization.

1425759989838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29589.

The product of its digits is 1567641600, while the sum is 78.

The spelling of 1425759989838 in words is "one trillion, four hundred twenty-five billion, seven hundred fifty-nine million, nine hundred eighty-nine thousand, eight hundred thirty-eight".