361645483949 has 2 divisors, whose sum is σ = 361645483950. Its totient is φ = 361645483948.

The previous prime is 361645483921. The next prime is 361645483957. The reversal of 361645483949 is 949384546163.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 354926403049 + 6719080900 = 595757^2 + 81970^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-361645483949 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 361645483891 and 361645483900.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (361645483349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180822741974 + 180822741975.

It is an arithmetic number, because the mean of its divisors is an integer number (180822741975).

Almost surely, 2^361645483949 is an apocalyptic number.

It is an amenable number.

361645483949 is a deficient number, since it is larger than the sum of its proper divisors (1).

361645483949 is an equidigital number, since it uses as much as digits as its factorization.

361645483949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 67184640, while the sum is 62.

The spelling of 361645483949 in words is "three hundred sixty-one billion, six hundred forty-five million, four hundred eighty-three thousand, nine hundred forty-nine".