3607805381 has 2 divisors, whose sum is σ = 3607805382. Its totient is φ = 3607805380.

The previous prime is 3607805359. The next prime is 3607805419. The reversal of 3607805381 is 1835087063.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3607804225 + 1156 = 60065^2 + 34^2 .

It is an emirp because it is prime and its reverse (1835087063) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3607805381 - 2⁶ = 3607805317 is a prime.

It is a super-2 number, since 2×3607805381² = 26032519334345110322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3607805351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1803902690 + 1803902691.

It is an arithmetic number, because the mean of its divisors is an integer number (1803902691).

Almost surely, 2^3607805381 is an apocalyptic number.

It is an amenable number.

3607805381 is a deficient number, since it is larger than the sum of its proper divisors (1).

3607805381 is an equidigital number, since it uses as much as digits as its factorization.

3607805381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 3607805381 is about 60065.0096229077. The cubic root of 3607805381 is about 1533.7257202405.

The spelling of 3607805381 in words is "three billion, six hundred seven million, eight hundred five thousand, three hundred eighty-one".