3665750401 has 2 divisors, whose sum is σ = 3665750402. Its totient is φ = 3665750400.

The previous prime is 3665750381. The next prime is 3665750437. The reversal of 3665750401 is 1040575663.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2164110400 + 1501640001 = 46520^2 + 38751^2 .

It is an emirp because it is prime and its reverse (1040575663) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3665750401 - 2¹³ = 3665742209 is a prime.

It is not a weakly prime, because it can be changed into another prime (3665750441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1832875200 + 1832875201.

It is an arithmetic number, because the mean of its divisors is an integer number (1832875201).

Almost surely, 2^3665750401 is an apocalyptic number.

It is an amenable number.

3665750401 is a deficient number, since it is larger than the sum of its proper divisors (1).

3665750401 is an equidigital number, since it uses as much as digits as its factorization.

3665750401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 75600, while the sum is 37.

The square root of 3665750401 is about 60545.4407944975. The cubic root of 3665750401 is about 1541.8932134349.

The spelling of 3665750401 in words is "three billion, six hundred sixty-five million, seven hundred fifty thousand, four hundred one".