13858622745 has 32 divisors (see below), whose sum is σ = 25241324544. Its totient is φ = 6427185600.

The previous prime is 13858622741. The next prime is 13858622753. The reversal of 13858622745 is 54722685831.

It is not a de Polignac number, because 13858622745 - 2² = 13858622741 is a prime.

It is a super-2 number, since 2×13858622745² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13858622741) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1822111 + ... + 1829700.

It is an arithmetic number, because the mean of its divisors is an integer number (788791392).

Almost surely, 2^13858622745 is an apocalyptic number.

13858622745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13858622745 is a deficient number, since it is larger than the sum of its proper divisors (11382701799).

13858622745 is a wasteful number, since it uses less digits than its factorization.

13858622745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3651853.

The product of its digits is 3225600, while the sum is 51.

The spelling of 13858622745 in words is "thirteen billion, eight hundred fifty-eight million, six hundred twenty-two thousand, seven hundred forty-five".