1671090937 has 2 divisors, whose sum is σ = 1671090938. Its totient is φ = 1671090936.

The previous prime is 1671090931. The next prime is 1671090989. The reversal of 1671090937 is 7390901761.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 894967056 + 776123881 = 29916^2 + 27859^2 .

It is an emirp because it is prime and its reverse (7390901761) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1671090937 - 2²⁷ = 1536873209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1671090893 and 1671090902.

It is not a weakly prime, because it can be changed into another prime (1671090931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 835545468 + 835545469.

It is an arithmetic number, because the mean of its divisors is an integer number (835545469).

Almost surely, 2^1671090937 is an apocalyptic number.

It is an amenable number.

1671090937 is a deficient number, since it is larger than the sum of its proper divisors (1).

1671090937 is an equidigital number, since it uses as much as digits as its factorization.

1671090937 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 71442, while the sum is 43.

The square root of 1671090937 is about 40878.9791579976. The cubic root of 1671090937 is about 1186.6792850553.

The spelling of 1671090937 in words is "one billion, six hundred seventy-one million, ninety thousand, nine hundred thirty-seven".