34566912257 has 2 divisors, whose sum is σ = 34566912258. Its totient is φ = 34566912256.

The previous prime is 34566912203. The next prime is 34566912349. The reversal of 34566912257 is 75221966543.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25571527921 + 8995384336 = 159911^2 + 94844^2 .

It is an emirp because it is prime and its reverse (75221966543) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34566912257 - 2⁸ = 34566912001 is a prime.

It is not a weakly prime, because it can be changed into another prime (34566912557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17283456128 + 17283456129.

It is an arithmetic number, because the mean of its divisors is an integer number (17283456129).

Almost surely, 2^34566912257 is an apocalyptic number.

It is an amenable number.

34566912257 is a deficient number, since it is larger than the sum of its proper divisors (1).

34566912257 is an equidigital number, since it uses as much as digits as its factorization.

34566912257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2721600, while the sum is 50.

The spelling of 34566912257 in words is "thirty-four billion, five hundred sixty-six million, nine hundred twelve thousand, two hundred fifty-seven".