250243140402097 has 2 divisors, whose sum is σ = 250243140402098. Its totient is φ = 250243140402096.

The previous prime is 250243140402089. The next prime is 250243140402137. The reversal of 250243140402097 is 790204041342052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 190116003521536 + 60127136880561 = 13788256^2 + 7754169^2 .

It is a cyclic number.

It is not a de Polignac number, because 250243140402097 - 2³ = 250243140402089 is a prime.

It is not a weakly prime, because it can be changed into another prime (250243140402067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125121570201048 + 125121570201049.

It is an arithmetic number, because the mean of its divisors is an integer number (125121570201049).

Almost surely, 2^{250243140402097} is an apocalyptic number.

It is an amenable number.

250243140402097 is a deficient number, since it is larger than the sum of its proper divisors (1).

250243140402097 is an equidigital number, since it uses as much as digits as its factorization.

250243140402097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 483840, while the sum is 43.

The spelling of 250243140402097 in words is "two hundred fifty trillion, two hundred forty-three billion, one hundred forty million, four hundred two thousand, ninety-seven".