3641387501 has 2 divisors, whose sum is σ = 3641387502. Its totient is φ = 3641387500.

The previous prime is 3641387461. The next prime is 3641387611. The reversal of 3641387501 is 1057831463.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2709306601 + 932080900 = 52051^2 + 30530^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3641387501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3641387401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1820693750 + 1820693751.

It is an arithmetic number, because the mean of its divisors is an integer number (1820693751).

Almost surely, 2^3641387501 is an apocalyptic number.

It is an amenable number.

3641387501 is a deficient number, since it is larger than the sum of its proper divisors (1).

3641387501 is an equidigital number, since it uses as much as digits as its factorization.

3641387501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 3641387501 is about 60343.9102229877. The cubic root of 3641387501 is about 1538.4697653212.

The spelling of 3641387501 in words is "three billion, six hundred forty-one million, three hundred eighty-seven thousand, five hundred one".