249608000045 has 8 divisors (see below), whose sum is σ = 299599723896. Its totient is φ = 199639650816.

The previous prime is 249608000009. The next prime is 249608000051. The reversal of 249608000045 is 540000806942.

It can be written as a sum of positive squares in 4 ways, for example, as 1127683561 + 248480316484 = 33581^2 + 498478^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-249608000045 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 249607999972 and 249608000008.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5820152 + ... + 5862881.

It is an arithmetic number, because the mean of its divisors is an integer number (37449965487).

Almost surely, 2^249608000045 is an apocalyptic number.

It is an amenable number.

249608000045 is a deficient number, since it is larger than the sum of its proper divisors (49991723851).

249608000045 is a wasteful number, since it uses less digits than its factorization.

249608000045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11687311.

The product of its (nonzero) digits is 69120, while the sum is 38.

Adding to 249608000045 its reverse (540000806942), we get a palindrome (789608806987).

The spelling of 249608000045 in words is "two hundred forty-nine billion, six hundred eight million, forty-five", and thus it is an aban number.