249047766341 has 8 divisors (see below), whose sum is σ = 273355274784. Its totient is φ = 225018058320.

The previous prime is 249047766323. The next prime is 249047766371. The reversal of 249047766341 is 143667740942.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-249047766341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249047766371) 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, 69448226 + ... + 69451811.

It is an arithmetic number, because the mean of its divisors is an integer number (34169409348).

Almost surely, 2^249047766341 is an apocalyptic number.

It is an amenable number.

249047766341 is a deficient number, since it is larger than the sum of its proper divisors (24307508443).

249047766341 is a wasteful number, since it uses less digits than its factorization.

249047766341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138900211.

The product of its (nonzero) digits is 6096384, while the sum is 53.

The spelling of 249047766341 in words is "two hundred forty-nine billion, forty-seven million, seven hundred sixty-six thousand, three hundred forty-one".