899354625061 has 2 divisors, whose sum is σ = 899354625062. Its totient is φ = 899354625060.

The previous prime is 899354625007. The next prime is 899354625133. The reversal of 899354625061 is 160526453998.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 552987064161 + 346367560900 = 743631^2 + 588530^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-899354625061 is a prime.

It is a super-2 number, since 2×899354625061² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 899354624987 and 899354625005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (899354625361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 449677312530 + 449677312531.

It is an arithmetic number, because the mean of its divisors is an integer number (449677312531).

Almost surely, 2^899354625061 is an apocalyptic number.

It is an amenable number.

899354625061 is a deficient number, since it is larger than the sum of its proper divisors (1).

899354625061 is an equidigital number, since it uses as much as digits as its factorization.

899354625061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13996800, while the sum is 58.

The spelling of 899354625061 in words is "eight hundred ninety-nine billion, three hundred fifty-four million, six hundred twenty-five thousand, sixty-one".