1425909684199 has 128 divisors (see below), whose sum is σ = 2045954211840. Its totient is φ = 956373350400.

The previous prime is 1425909684181. The next prime is 1425909684203. The reversal of 1425909684199 is 9914869095241.

It is a happy number.

It is not a de Polignac number, because 1425909684199 - 2⁹ = 1425909683687 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1425909684179) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1217684884 + ... + 1217686054.

It is an arithmetic number, because the mean of its divisors is an integer number (15984017280).

Almost surely, 2^{1425909684199} is an apocalyptic number.

1425909684199 is a deficient number, since it is larger than the sum of its proper divisors (620044527641).

1425909684199 is a wasteful number, since it uses less digits than its factorization.

1425909684199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1821.

The product of its (nonzero) digits is 50388480, while the sum is 67.

The spelling of 1425909684199 in words is "one trillion, four hundred twenty-five billion, nine hundred nine million, six hundred eighty-four thousand, one hundred ninety-nine".