249378805003 has 8 divisors (see below), whose sum is σ = 250419078272. Its totient is φ = 248340603456.

The previous prime is 249378805001. The next prime is 249378805019. The reversal of 249378805003 is 300508873942.

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

It is a cyclic number.

It is not a de Polignac number, because 249378805003 - 2¹ = 249378805001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (249378805001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 276450 + ... + 758407.

It is an arithmetic number, because the mean of its divisors is an integer number (31302384784).

Almost surely, 2^249378805003 is an apocalyptic number.

249378805003 is a deficient number, since it is larger than the sum of its proper divisors (1040273269).

249378805003 is a wasteful number, since it uses less digits than its factorization.

249378805003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1035861.

The product of its (nonzero) digits is 1451520, while the sum is 49.

The spelling of 249378805003 in words is "two hundred forty-nine billion, three hundred seventy-eight million, eight hundred five thousand, three".