3641387461 has 2 divisors, whose sum is σ = 3641387462. Its totient is φ = 3641387460.

The previous prime is 3641387423. The next prime is 3641387501. The reversal of 3641387461 is 1647831463.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2924754561 + 716632900 = 54081^2 + 26770^2 .

It is a cyclic number.

It is not a de Polignac number, because 3641387461 - 2²⁵ = 3607833029 is a prime.

It is a super-2 number, since 2×3641387461² = 26519405282256053042, which contains 22 as substring.

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 polite number, since it can be written as a sum of consecutive naturals, namely, 1820693730 + 1820693731.

It is an arithmetic number, because the mean of its divisors is an integer number (1820693731).

Almost surely, 2^3641387461 is an apocalyptic number.

It is an amenable number.

3641387461 is a deficient number, since it is larger than the sum of its proper divisors (1).

3641387461 is an equidigital number, since it uses as much as digits as its factorization.

3641387461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 290304, while the sum is 43.

The square root of 3641387461 is about 60343.9098915541. The cubic root of 3641387461 is about 1538.4697596879.

The spelling of 3641387461 in words is "three billion, six hundred forty-one million, three hundred eighty-seven thousand, four hundred sixty-one".