2642231437 has 2 divisors, whose sum is σ = 2642231438. Its totient is φ = 2642231436.

The previous prime is 2642231399. The next prime is 2642231461. The reversal of 2642231437 is 7341322462.

2642231437 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2553381961 + 88849476 = 50531^2 + 9426^2 .

It is a cyclic number.

It is not a de Polignac number, because 2642231437 - 2¹¹ = 2642229389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2642201437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1321115718 + 1321115719.

It is an arithmetic number, because the mean of its divisors is an integer number (1321115719).

Almost surely, 2^2642231437 is an apocalyptic number.

It is an amenable number.

2642231437 is a deficient number, since it is larger than the sum of its proper divisors (1).

2642231437 is an equidigital number, since it uses as much as digits as its factorization.

2642231437 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 34.

The square root of 2642231437 is about 51402.6403699265. The cubic root of 2642231437 is about 1382.4739346773.

Adding to 2642231437 its reverse (7341322462), we get a palindrome (9983553899).

The spelling of 2642231437 in words is "two billion, six hundred forty-two million, two hundred thirty-one thousand, four hundred thirty-seven".