36665090401 has 2 divisors, whose sum is σ = 36665090402. Its totient is φ = 36665090400.

The previous prime is 36665090347. The next prime is 36665090437. The reversal of 36665090401 is 10409056663.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34664854225 + 2000236176 = 186185^2 + 44724^2 .

It is a cyclic number.

It is not a de Polignac number, because 36665090401 - 2¹¹ = 36665088353 is a prime.

It is a super-2 number, since 2×36665090401² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (36665090461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18332545200 + 18332545201.

It is an arithmetic number, because the mean of its divisors is an integer number (18332545201).

Almost surely, 2^36665090401 is an apocalyptic number.

It is an amenable number.

36665090401 is a deficient number, since it is larger than the sum of its proper divisors (1).

36665090401 is an equidigital number, since it uses as much as digits as its factorization.

36665090401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 116640, while the sum is 40.

The spelling of 36665090401 in words is "thirty-six billion, six hundred sixty-five million, ninety thousand, four hundred one".