3601022541491 has 2 divisors, whose sum is σ = 3601022541492. Its totient is φ = 3601022541490.

The previous prime is 3601022541449. The next prime is 3601022541541. The reversal of 3601022541491 is 1941452201063.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3601022541491 is a prime.

It is not a weakly prime, because it can be changed into another prime (3601022541421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1800511270745 + 1800511270746.

It is an arithmetic number, because the mean of its divisors is an integer number (1800511270746).

Almost surely, 2^{3601022541491} is an apocalyptic number.

3601022541491 is a deficient number, since it is larger than the sum of its proper divisors (1).

3601022541491 is an equidigital number, since it uses as much as digits as its factorization.

3601022541491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 38.

The spelling of 3601022541491 in words is "three trillion, six hundred one billion, twenty-two million, five hundred forty-one thousand, four hundred ninety-one".