12450641398 has 16 divisors (see below), whose sum is σ = 20806112880. Its totient is φ = 5548296096.

The previous prime is 12450641353. The next prime is 12450641419. The reversal of 12450641398 is 89314605421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8255640 + ... + 8257147.

It is an arithmetic number, because the mean of its divisors is an integer number (1300382055).

Almost surely, 2^12450641398 is an apocalyptic number.

12450641398 is a deficient number, since it is larger than the sum of its proper divisors (8355471482).

12450641398 is a wasteful number, since it uses less digits than its factorization.

12450641398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16512831.

The product of its (nonzero) digits is 207360, while the sum is 43.

The spelling of 12450641398 in words is "twelve billion, four hundred fifty million, six hundred forty-one thousand, three hundred ninety-eight".