1676170949 has 2 divisors, whose sum is σ = 1676170950. Its totient is φ = 1676170948.

The previous prime is 1676170939. The next prime is 1676170957. The reversal of 1676170949 is 9490716761.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 946792900 + 729378049 = 30770^2 + 27007^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1676170949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1676170897 and 1676170906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1676170939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 838085474 + 838085475.

It is an arithmetic number, because the mean of its divisors is an integer number (838085475).

Almost surely, 2^1676170949 is an apocalyptic number.

It is an amenable number.

1676170949 is a deficient number, since it is larger than the sum of its proper divisors (1).

1676170949 is an equidigital number, since it uses as much as digits as its factorization.

1676170949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 571536, while the sum is 50.

The square root of 1676170949 is about 40941.0667789690. The cubic root of 1676170949 is about 1187.8805455759.

The spelling of 1676170949 in words is "one billion, six hundred seventy-six million, one hundred seventy thousand, nine hundred forty-nine".