835024906981 has 2 divisors, whose sum is σ = 835024906982. Its totient is φ = 835024906980.

The previous prime is 835024906979. The next prime is 835024907021. The reversal of 835024906981 is 189609420538.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 519451732900 + 315573174081 = 720730^2 + 561759^2 .

It is a cyclic number.

It is not a de Polignac number, because 835024906981 - 2¹ = 835024906979 is a prime.

It is a super-2 number, since 2×835024906981² (a number of 25 digits) contains 22 as substring.

Together with 835024906979, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (835024906931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 417512453490 + 417512453491.

It is an arithmetic number, because the mean of its divisors is an integer number (417512453491).

Almost surely, 2^835024906981 is an apocalyptic number.

It is an amenable number.

835024906981 is a deficient number, since it is larger than the sum of its proper divisors (1).

835024906981 is an equidigital number, since it uses as much as digits as its factorization.

835024906981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3732480, while the sum is 55.

The spelling of 835024906981 in words is "eight hundred thirty-five billion, twenty-four million, nine hundred six thousand, nine hundred eighty-one".