249340671339 has 16 divisors (see below), whose sum is σ = 334196577792. Its totient is φ = 165356216928.

The previous prime is 249340671337. The next prime is 249340671367. The reversal of 249340671339 is 933176043942.

It is not a de Polignac number, because 249340671339 - 2¹ = 249340671337 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 249340671291 and 249340671300.

It is not an unprimeable number, because it can be changed into a prime (249340671337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3965742 + ... + 4028124.

It is an arithmetic number, because the mean of its divisors is an integer number (20887286112).

Almost surely, 2^249340671339 is an apocalyptic number.

249340671339 is a deficient number, since it is larger than the sum of its proper divisors (84855906453).

249340671339 is a wasteful number, since it uses less digits than its factorization.

249340671339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69346.

The product of its (nonzero) digits is 2939328, while the sum is 51.

The spelling of 249340671339 in words is "two hundred forty-nine billion, three hundred forty million, six hundred seventy-one thousand, three hundred thirty-nine".