249287799226 has 16 divisors (see below), whose sum is σ = 374761840896. Its totient is φ = 124367271696.

The previous prime is 249287799221. The next prime is 249287799269. The reversal of 249287799226 is 622997782942.

It is not an unprimeable number, because it can be changed into a prime (249287799221) 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, 7040920 + ... + 7076236.

It is an arithmetic number, because the mean of its divisors is an integer number (23422615056).

Almost surely, 2^249287799226 is an apocalyptic number.

249287799226 is a deficient number, since it is larger than the sum of its proper divisors (125474041670).

249287799226 is a wasteful number, since it uses less digits than its factorization.

249287799226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43053.

The product of its digits is 109734912, while the sum is 67.

The spelling of 249287799226 in words is "two hundred forty-nine billion, two hundred eighty-seven million, seven hundred ninety-nine thousand, two hundred twenty-six".