906871992269 has 2 divisors, whose sum is σ = 906871992270. Its totient is φ = 906871992268.

The previous prime is 906871992251. The next prime is 906871992307. The reversal of 906871992269 is 962299178609.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 892955071369 + 13916920900 = 944963^2 + 117970^2 .

It is an emirp because it is prime and its reverse (962299178609) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-906871992269 is a prime.

It is a super-2 number, since 2×906871992269² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 906871992199 and 906871992208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (906871992469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 453435996134 + 453435996135.

It is an arithmetic number, because the mean of its divisors is an integer number (453435996135).

Almost surely, 2^906871992269 is an apocalyptic number.

It is an amenable number.

906871992269 is a deficient number, since it is larger than the sum of its proper divisors (1).

906871992269 is an equidigital number, since it uses as much as digits as its factorization.

906871992269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52907904, while the sum is 68.

The spelling of 906871992269 in words is "nine hundred six billion, eight hundred seventy-one million, nine hundred ninety-two thousand, two hundred sixty-nine".