249044141147 has 2 divisors, whose sum is σ = 249044141148. Its totient is φ = 249044141146.

The previous prime is 249044141141. The next prime is 249044141173. The reversal of 249044141147 is 741141440942.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 249044141147 - 2⁴ = 249044141131 is a prime.

It is not a weakly prime, because it can be changed into another prime (249044141141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124522070573 + 124522070574.

It is an arithmetic number, because the mean of its divisors is an integer number (124522070574).

Almost surely, 2^249044141147 is an apocalyptic number.

249044141147 is a deficient number, since it is larger than the sum of its proper divisors (1).

249044141147 is an equidigital number, since it uses as much as digits as its factorization.

249044141147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129024, while the sum is 41.

The spelling of 249044141147 in words is "two hundred forty-nine billion, forty-four million, one hundred forty-one thousand, one hundred forty-seven".