249340532986 has 8 divisors (see below), whose sum is σ = 375687978624. Its totient is φ = 124111206780.

The previous prime is 249340532927. The next prime is 249340533017. The reversal of 249340532986 is 689235043942.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 279529300 + ... + 279530191.

It is an arithmetic number, because the mean of its divisors is an integer number (46960997328).

Almost surely, 2^249340532986 is an apocalyptic number.

249340532986 is a deficient number, since it is larger than the sum of its proper divisors (126347445638).

249340532986 is a wasteful number, since it uses less digits than its factorization.

249340532986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559059716.

The product of its (nonzero) digits is 11197440, while the sum is 55.

The spelling of 249340532986 in words is "two hundred forty-nine billion, three hundred forty million, five hundred thirty-two thousand, nine hundred eighty-six".