12454798571679 has 16 divisors (see below), whose sum is σ = 17011643372640. Its totient is φ = 8100581437440.

The previous prime is 12454798571653. The next prime is 12454798571701. The reversal of 12454798571679 is 97617589745421.

It is not a de Polignac number, because 12454798571679 - 2¹² = 12454798567583 is a prime.

It is a super-2 number, since 2×12454798571679² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12454798571679.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12454798571639) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10055359 + ... + 11225855.

It is an arithmetic number, because the mean of its divisors is an integer number (1063227710790).

Almost surely, 2^{12454798571679} is an apocalyptic number.

12454798571679 is a deficient number, since it is larger than the sum of its proper divisors (4556844800961).

12454798571679 is a wasteful number, since it uses less digits than its factorization.

12454798571679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1257050.

The product of its digits is 1066867200, while the sum is 75.

The spelling of 12454798571679 in words is "twelve trillion, four hundred fifty-four billion, seven hundred ninety-eight million, five hundred seventy-one thousand, six hundred seventy-nine".