1425366402499 has 4 divisors (see below), whose sum is σ = 1535009971936. Its totient is φ = 1315722833064.

The previous prime is 1425366402413. The next prime is 1425366402503. The reversal of 1425366402499 is 9942046635241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1425366402499 - 2²⁵ = 1425332848067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1425366402199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54821784699 + ... + 54821784724.

It is an arithmetic number, because the mean of its divisors is an integer number (383752492984).

Almost surely, 2^{1425366402499} is an apocalyptic number.

1425366402499 is a deficient number, since it is larger than the sum of its proper divisors (109643569437).

1425366402499 is a wasteful number, since it uses less digits than its factorization.

1425366402499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109643569436.

The product of its (nonzero) digits is 11197440, while the sum is 55.

The spelling of 1425366402499 in words is "one trillion, four hundred twenty-five billion, three hundred sixty-six million, four hundred two thousand, four hundred ninety-nine".