6001477783621 has 2 divisors, whose sum is σ = 6001477783622. Its totient is φ = 6001477783620.

The previous prime is 6001477783603. The next prime is 6001477783643. The reversal of 6001477783621 is 1263877741006.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5900964056100 + 100513727521 = 2429190^2 + 317039^2 .

It is a cyclic number.

It is not a de Polignac number, because 6001477783621 - 2⁷ = 6001477783493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6001477783121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3000738891810 + 3000738891811.

It is an arithmetic number, because the mean of its divisors is an integer number (3000738891811).

Almost surely, 2^{6001477783621} is an apocalyptic number.

It is an amenable number.

6001477783621 is a deficient number, since it is larger than the sum of its proper divisors (1).

6001477783621 is an equidigital number, since it uses as much as digits as its factorization.

6001477783621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2370816, while the sum is 52.

The spelling of 6001477783621 in words is "six trillion, one billion, four hundred seventy-seven million, seven hundred eighty-three thousand, six hundred twenty-one".