13864997638270 has 32 divisors (see below), whose sum is σ = 24999697517760. Its totient is φ = 5536516634880.

The previous prime is 13864997638253. The next prime is 13864997638277. The reversal of 13864997638270 is 7283679946831.

It is a junction number, because it is equal to n+sod(n) for n = 13864997638193 and 13864997638202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13864997638277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15790410 + ... + 16645330.

It is an arithmetic number, because the mean of its divisors is an integer number (781240547430).

Almost surely, 2^{13864997638270} is an apocalyptic number.

13864997638270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13864997638270 is a deficient number, since it is larger than the sum of its proper divisors (11134699879490).

13864997638270 is a wasteful number, since it uses less digits than its factorization.

13864997638270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 857700.

The product of its (nonzero) digits is 658409472, while the sum is 73.

The spelling of 13864997638270 in words is "thirteen trillion, eight hundred sixty-four billion, nine hundred ninety-seven million, six hundred thirty-eight thousand, two hundred seventy".