383254642697 has 2 divisors, whose sum is σ = 383254642698. Its totient is φ = 383254642696.

The previous prime is 383254642643. The next prime is 383254642711. The reversal of 383254642697 is 796246452383.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 373970163961 + 9284478736 = 611531^2 + 96356^2 .

It is a cyclic number.

It is not a de Polignac number, because 383254642697 - 2⁶ = 383254642633 is a prime.

It is a super-2 number, since 2×383254642697² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (383254642097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 191627321348 + 191627321349.

It is an arithmetic number, because the mean of its divisors is an integer number (191627321349).

Almost surely, 2^383254642697 is an apocalyptic number.

It is an amenable number.

383254642697 is a deficient number, since it is larger than the sum of its proper divisors (1).

383254642697 is an equidigital number, since it uses as much as digits as its factorization.

383254642697 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52254720, while the sum is 59.

The spelling of 383254642697 in words is "three hundred eighty-three billion, two hundred fifty-four million, six hundred forty-two thousand, six hundred ninety-seven".