250012728649 has 8 divisors (see below), whose sum is σ = 265007427840. Its totient is φ = 235050037056.

The previous prime is 250012728607. The next prime is 250012728677. The reversal of 250012728649 is 946827210052.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 250012728649 - 2¹³ = 250012720457 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 250012728599 and 250012728608.

It is not an unprimeable number, because it can be changed into a prime (250012728689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7985809 + ... + 8017054.

It is an arithmetic number, because the mean of its divisors is an integer number (33125928480).

Almost surely, 2^250012728649 is an apocalyptic number.

It is an amenable number.

250012728649 is a deficient number, since it is larger than the sum of its proper divisors (14994699191).

250012728649 is a wasteful number, since it uses less digits than its factorization.

250012728649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16003799.

The product of its (nonzero) digits is 483840, while the sum is 46.

The spelling of 250012728649 in words is "two hundred fifty billion, twelve million, seven hundred twenty-eight thousand, six hundred forty-nine".