2989546459961 has 2 divisors, whose sum is σ = 2989546459962. Its totient is φ = 2989546459960.

The previous prime is 2989546459883. The next prime is 2989546459969. The reversal of 2989546459961 is 1699546459892.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2615840430736 + 373706029225 = 1617356^2 + 611315^2 .

It is a cyclic number.

It is not a de Polignac number, because 2989546459961 - 2¹⁴ = 2989546443577 is a prime.

It is a super-2 number, since 2×2989546459961² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2989546459969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1494773229980 + 1494773229981.

It is an arithmetic number, because the mean of its divisors is an integer number (1494773229981).

Almost surely, 2^{2989546459961} is an apocalyptic number.

It is an amenable number.

2989546459961 is a deficient number, since it is larger than the sum of its proper divisors (1).

2989546459961 is an equidigital number, since it uses as much as digits as its factorization.

2989546459961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1511654400, while the sum is 77.

The spelling of 2989546459961 in words is "two trillion, nine hundred eighty-nine billion, five hundred forty-six million, four hundred fifty-nine thousand, nine hundred sixty-one".