2236440761 has 2 divisors, whose sum is σ = 2236440762. Its totient is φ = 2236440760.

The previous prime is 2236440749. The next prime is 2236440769. The reversal of 2236440761 is 1670446322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1522482361 + 713958400 = 39019^2 + 26720^2 .

It is a cyclic number.

It is not a de Polignac number, because 2236440761 - 2⁶ = 2236440697 is a prime.

It is not a weakly prime, because it can be changed into another prime (2236440769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1118220380 + 1118220381.

It is an arithmetic number, because the mean of its divisors is an integer number (1118220381).

Almost surely, 2^2236440761 is an apocalyptic number.

It is an amenable number.

2236440761 is a deficient number, since it is larger than the sum of its proper divisors (1).

2236440761 is an equidigital number, since it uses as much as digits as its factorization.

2236440761 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 35.

The square root of 2236440761 is about 47291.0219914943. The cubic root of 2236440761 is about 1307.7331503451.

The spelling of 2236440761 in words is "two billion, two hundred thirty-six million, four hundred forty thousand, seven hundred sixty-one".