353172270247 has 2 divisors, whose sum is σ = 353172270248. Its totient is φ = 353172270246.

The previous prime is 353172270223. The next prime is 353172270287. The reversal of 353172270247 is 742072271353.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-353172270247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (353172270287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 176586135123 + 176586135124.

It is an arithmetic number, because the mean of its divisors is an integer number (176586135124).

Almost surely, 2^353172270247 is an apocalyptic number.

353172270247 is a deficient number, since it is larger than the sum of its proper divisors (1).

353172270247 is an equidigital number, since it uses as much as digits as its factorization.

353172270247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 493920, while the sum is 43.

The spelling of 353172270247 in words is "three hundred fifty-three billion, one hundred seventy-two million, two hundred seventy thousand, two hundred forty-seven".