2000951661133 has 2 divisors, whose sum is σ = 2000951661134. Its totient is φ = 2000951661132.

The previous prime is 2000951661119. The next prime is 2000951661139. The reversal of 2000951661133 is 3311661590002.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1931646886569 + 69304774564 = 1389837^2 + 263258^2 .

It is a cyclic number.

It is not a de Polignac number, because 2000951661133 - 2²¹ = 2000949563981 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2000951661092 and 2000951661101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2000951661139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000475830566 + 1000475830567.

It is an arithmetic number, because the mean of its divisors is an integer number (1000475830567).

Almost surely, 2^{2000951661133} is an apocalyptic number.

It is an amenable number.

2000951661133 is a deficient number, since it is larger than the sum of its proper divisors (1).

2000951661133 is an equidigital number, since it uses as much as digits as its factorization.

2000951661133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29160, while the sum is 37.

The spelling of 2000951661133 in words is "two trillion, nine hundred fifty-one million, six hundred sixty-one thousand, one hundred thirty-three".