2467979561 has 2 divisors, whose sum is σ = 2467979562. Its totient is φ = 2467979560.

The previous prime is 2467979531. The next prime is 2467979567. The reversal of 2467979561 is 1659797642.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2458176400 + 9803161 = 49580^2 + 3131^2 .

It is a cyclic number.

It is not a de Polignac number, because 2467979561 - 2⁶ = 2467979497 is a prime.

It is a super-2 number, since 2×2467979561² = 12181846227027505442, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2467979497 and 2467979506.

It is not a weakly prime, because it can be changed into another prime (2467979567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1233989780 + 1233989781.

It is an arithmetic number, because the mean of its divisors is an integer number (1233989781).

Almost surely, 2^2467979561 is an apocalyptic number.

It is an amenable number.

2467979561 is a deficient number, since it is larger than the sum of its proper divisors (1).

2467979561 is an equidigital number, since it uses as much as digits as its factorization.

2467979561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5715360, while the sum is 56.

The square root of 2467979561 is about 49678.7636822818. The cubic root of 2467979561 is about 1351.3894356954.

The spelling of 2467979561 in words is "two billion, four hundred sixty-seven million, nine hundred seventy-nine thousand, five hundred sixty-one".