3746331637 has 2 divisors, whose sum is σ = 3746331638. Its totient is φ = 3746331636.

The previous prime is 3746331623. The next prime is 3746331649. The reversal of 3746331637 is 7361336473.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3620308561 + 126023076 = 60169^2 + 11226^2 .

It is a cyclic number.

It is not a de Polignac number, because 3746331637 - 2⁷ = 3746331509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3746331593 and 3746331602.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3746331937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1873165818 + 1873165819.

It is an arithmetic number, because the mean of its divisors is an integer number (1873165819).

Almost surely, 2^3746331637 is an apocalyptic number.

It is an amenable number.

3746331637 is a deficient number, since it is larger than the sum of its proper divisors (1).

3746331637 is an equidigital number, since it uses as much as digits as its factorization.

3746331637 is an evil number, because the sum of its binary digits is even.

The product of its digits is 571536, while the sum is 43.

The square root of 3746331637 is about 61207.2841825219. The cubic root of 3746331637 is about 1553.1094896192.

The spelling of 3746331637 in words is "three billion, seven hundred forty-six million, three hundred thirty-one thousand, six hundred thirty-seven".