249029942041 has 2 divisors, whose sum is σ = 249029942042. Its totient is φ = 249029942040.

The previous prime is 249029941999. The next prime is 249029942111. The reversal of 249029942041 is 140249920942.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 249004992016 + 24950025 = 499004^2 + 4995^2 .

It is a cyclic number.

It is not a de Polignac number, because 249029942041 - 2³³ = 240440007449 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 249029941982 and 249029942000.

It is not a weakly prime, because it can be changed into another prime (249029942141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124514971020 + 124514971021.

It is an arithmetic number, because the mean of its divisors is an integer number (124514971021).

Almost surely, 2^249029942041 is an apocalyptic number.

It is an amenable number.

249029942041 is a deficient number, since it is larger than the sum of its proper divisors (1).

249029942041 is an equidigital number, since it uses as much as digits as its factorization.

249029942041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 373248, while the sum is 46.

The spelling of 249029942041 in words is "two hundred forty-nine billion, twenty-nine million, nine hundred forty-two thousand, forty-one".