1676903844949 has 2 divisors, whose sum is σ = 1676903844950. Its totient is φ = 1676903844948.

The previous prime is 1676903844893. The next prime is 1676903844997. The reversal of 1676903844949 is 9494483096761.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1244541048100 + 432362796849 = 1115590^2 + 657543^2 .

It is a cyclic number.

It is not a de Polignac number, because 1676903844949 - 2²¹ = 1676901747797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1676903845949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 838451922474 + 838451922475.

It is an arithmetic number, because the mean of its divisors is an integer number (838451922475).

Almost surely, 2^{1676903844949} is an apocalyptic number.

It is an amenable number.

1676903844949 is a deficient number, since it is larger than the sum of its proper divisors (1).

1676903844949 is an equidigital number, since it uses as much as digits as its factorization.

1676903844949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 282175488, while the sum is 70.

The spelling of 1676903844949 in words is "one trillion, six hundred seventy-six billion, nine hundred three million, eight hundred forty-four thousand, nine hundred forty-nine".