254638046986 has 32 divisors (see below), whose sum is σ = 398600310528. Its totient is φ = 121889134080.

The previous prime is 254638046983. The next prime is 254638047007. The reversal of 254638046986 is 689640836452.

It is not an unprimeable number, because it can be changed into a prime (254638046981) 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, 2594586 + ... + 2690938.

It is an arithmetic number, because the mean of its divisors is an integer number (12456259704).

Almost surely, 2^254638046986 is an apocalyptic number.

254638046986 is a deficient number, since it is larger than the sum of its proper divisors (143962263542).

254638046986 is a wasteful number, since it uses less digits than its factorization.

254638046986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96966.

The product of its (nonzero) digits is 59719680, while the sum is 61.

The spelling of 254638046986 in words is "two hundred fifty-four billion, six hundred thirty-eight million, forty-six thousand, nine hundred eighty-six".