12425459178049 has 4 divisors (see below), whose sum is σ = 12425472160900. Its totient is φ = 12425446195200.

The previous prime is 12425459178037. The next prime is 12425459178127. The reversal of 12425459178049 is 94087195452421.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 9774970985025 + 2650488193024 = 3126495^2 + 1628032^2 .

It is a cyclic number.

It is not a de Polignac number, because 12425459178049 - 2¹³ = 12425459169857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12425459178029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4930752 + ... + 7011649.

It is an arithmetic number, because the mean of its divisors is an integer number (3106368040225).

Almost surely, 2^{12425459178049} is an apocalyptic number.

It is an amenable number.

12425459178049 is a deficient number, since it is larger than the sum of its proper divisors (12982851).

12425459178049 is a wasteful number, since it uses less digits than its factorization.

12425459178049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12982850.

The product of its (nonzero) digits is 29030400, while the sum is 61.

The spelling of 12425459178049 in words is "twelve trillion, four hundred twenty-five billion, four hundred fifty-nine million, one hundred seventy-eight thousand, forty-nine".