2149974766601 has 2 divisors, whose sum is σ = 2149974766602. Its totient is φ = 2149974766600.

The previous prime is 2149974766591. The next prime is 2149974766627. The reversal of 2149974766601 is 1066674799412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1580136991225 + 569837775376 = 1257035^2 + 754876^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2149974766601 is a prime.

It is not a weakly prime, because it can be changed into another prime (2149974766201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1074987383300 + 1074987383301.

It is an arithmetic number, because the mean of its divisors is an integer number (1074987383301).

Almost surely, 2^{2149974766601} is an apocalyptic number.

It is an amenable number.

2149974766601 is a deficient number, since it is larger than the sum of its proper divisors (1).

2149974766601 is an equidigital number, since it uses as much as digits as its factorization.

2149974766601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27433728, while the sum is 62.

The spelling of 2149974766601 in words is "two trillion, one hundred forty-nine billion, nine hundred seventy-four million, seven hundred sixty-six thousand, six hundred one".