3695748181 has 2 divisors, whose sum is σ = 3695748182. Its totient is φ = 3695748180.

The previous prime is 3695748179. The next prime is 3695748187. The reversal of 3695748181 is 1818475963.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3695545681 + 202500 = 60791^2 + 450^2 .

It is a cyclic number.

It is not a de Polignac number, because 3695748181 - 2¹ = 3695748179 is a prime.

It is a super-2 number, since 2×3695748181² = 27317109234729617522, which contains 22 as substring.

Together with 3695748179, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3695748187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1847874090 + 1847874091.

It is an arithmetic number, because the mean of its divisors is an integer number (1847874091).

Almost surely, 2^3695748181 is an apocalyptic number.

It is an amenable number.

3695748181 is a deficient number, since it is larger than the sum of its proper divisors (1).

3695748181 is an equidigital number, since it uses as much as digits as its factorization.

3695748181 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1451520, while the sum is 52.

The square root of 3695748181 is about 60792.6655197812. The cubic root of 3695748181 is about 1546.0876957897.

The spelling of 3695748181 in words is "three billion, six hundred ninety-five million, seven hundred forty-eight thousand, one hundred eighty-one".