249403006322 has 18 divisors (see below), whose sum is σ = 376375718637. Its totient is φ = 123948981000.

The previous prime is 249403006319. The next prime is 249403006337. The reversal of 249403006322 is 223600304942.

It can be written as a sum of positive squares in 2 ways, for example, as 150737286001 + 98665720321 = 388249^2 + 314111^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=353131.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 127832447 + ... + 127834397.

Almost surely, 2^249403006322 is an apocalyptic number.

249403006322 is a deficient number, since it is larger than the sum of its proper divisors (126972712315).

249403006322 is an frugal number, since it uses more digits than its factorization.

249403006322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4266 (or 2134 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 35.

The spelling of 249403006322 in words is "two hundred forty-nine billion, four hundred three million, six thousand, three hundred twenty-two".