3725889641 has 2 divisors, whose sum is σ = 3725889642. Its totient is φ = 3725889640.

The previous prime is 3725889613. The next prime is 3725889647. The reversal of 3725889641 is 1469885273.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3460851241 + 265038400 = 58829^2 + 16280^2 .

It is a cyclic number.

It is not a de Polignac number, because 3725889641 - 2¹⁴ = 3725873257 is a prime.

It is a super-2 number, since 2×3725889641² = 27764507233822217762, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3725889647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1862944820 + 1862944821.

It is an arithmetic number, because the mean of its divisors is an integer number (1862944821).

Almost surely, 2^3725889641 is an apocalyptic number.

It is an amenable number.

3725889641 is a deficient number, since it is larger than the sum of its proper divisors (1).

3725889641 is an equidigital number, since it uses as much as digits as its factorization.

3725889641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2903040, while the sum is 53.

The square root of 3725889641 is about 61040.0658666093. The cubic root of 3725889641 is about 1550.2794696910.

The spelling of 3725889641 in words is "three billion, seven hundred twenty-five million, eight hundred eighty-nine thousand, six hundred forty-one".