3723181897 has 2 divisors, whose sum is σ = 3723181898. Its totient is φ = 3723181896.

The previous prime is 3723181877. The next prime is 3723181901. The reversal of 3723181897 is 7981813273.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2454112521 + 1269069376 = 49539^2 + 35624^2 .

It is a cyclic number.

It is not a de Polignac number, because 3723181897 - 2⁷ = 3723181769 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3723181897.

It is not a weakly prime, because it can be changed into another prime (3723181807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1861590948 + 1861590949.

It is an arithmetic number, because the mean of its divisors is an integer number (1861590949).

Almost surely, 2^3723181897 is an apocalyptic number.

It is an amenable number.

3723181897 is a deficient number, since it is larger than the sum of its proper divisors (1).

3723181897 is an equidigital number, since it uses as much as digits as its factorization.

3723181897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 508032, while the sum is 49.

The square root of 3723181897 is about 61017.8817806715. The cubic root of 3723181897 is about 1549.9038298986.

The spelling of 3723181897 in words is "three billion, seven hundred twenty-three million, one hundred eighty-one thousand, eight hundred ninety-seven".