2642231461 has 2 divisors, whose sum is σ = 2642231462. Its totient is φ = 2642231460.

The previous prime is 2642231437. The next prime is 2642231489. The reversal of 2642231461 is 1641322462.

2642231461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1528340836 + 1113890625 = 39094^2 + 33375^2 .

It is a cyclic number.

It is not a de Polignac number, because 2642231461 - 2⁹ = 2642230949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2642231491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1321115730 + 1321115731.

It is an arithmetic number, because the mean of its divisors is an integer number (1321115731).

Almost surely, 2^2642231461 is an apocalyptic number.

It is an amenable number.

2642231461 is a deficient number, since it is larger than the sum of its proper divisors (1).

2642231461 is an equidigital number, since it uses as much as digits as its factorization.

2642231461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 31.

The square root of 2642231461 is about 51402.6406033776. The cubic root of 2642231461 is about 1382.4739388630.

The spelling of 2642231461 in words is "two billion, six hundred forty-two million, two hundred thirty-one thousand, four hundred sixty-one".