254349720249486 has 64 divisors (see below), whose sum is σ = 518757544798272. Its totient is φ = 83109753439232.

The previous prime is 254349720249481. The next prime is 254349720249509. The reversal of 254349720249486 is 684942027943452.

254349720249486 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 254349720249486.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254349720249481) 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, 2275535896 + ... + 2275647668.

It is an arithmetic number, because the mean of its divisors is an integer number (8105586637473).

Almost surely, 2^{254349720249486} is an apocalyptic number.

254349720249486 is an abundant number, since it is smaller than the sum of its proper divisors (264407824548786).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

254349720249486 is a wasteful number, since it uses less digits than its factorization.

254349720249486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118117.

The product of its (nonzero) digits is 836075520, while the sum is 69.

The spelling of 254349720249486 in words is "two hundred fifty-four trillion, three hundred forty-nine billion, seven hundred twenty million, two hundred forty-nine thousand, four hundred eighty-six".