3485839661 has 2 divisors, whose sum is σ = 3485839662. Its totient is φ = 3485839660.

The previous prime is 3485839657. The next prime is 3485839663. The reversal of 3485839661 is 1669385843.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2209564036 + 1276275625 = 47006^2 + 35725^2 .

It is an emirp because it is prime and its reverse (1669385843) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3485839661 - 2² = 3485839657 is a prime.

Together with 3485839663, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3485839663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1742919830 + 1742919831.

It is an arithmetic number, because the mean of its divisors is an integer number (1742919831).

Almost surely, 2^3485839661 is an apocalyptic number.

It is an amenable number.

3485839661 is a deficient number, since it is larger than the sum of its proper divisors (1).

3485839661 is an equidigital number, since it uses as much as digits as its factorization.

3485839661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3732480, while the sum is 53.

The square root of 3485839661 is about 59040.9998306262. Note that the first 3 decimals coincide. The cubic root of 3485839661 is about 1516.2441407605.

The spelling of 3485839661 in words is "three billion, four hundred eighty-five million, eight hundred thirty-nine thousand, six hundred sixty-one".