2391822061 has 4 divisors (see below), whose sum is σ = 2391926112. Its totient is φ = 2391718012.

The previous prime is 2391822029. The next prime is 2391822077. The reversal of 2391822061 is 1602281932.

2391822061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2391822061 - 2⁵ = 2391822029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2391822161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 601 + ... + 69166.

It is an arithmetic number, because the mean of its divisors is an integer number (597981528).

Almost surely, 2^2391822061 is an apocalyptic number.

It is an amenable number.

2391822061 is a deficient number, since it is larger than the sum of its proper divisors (104051).

2391822061 is an equidigital number, since it uses as much as digits as its factorization.

2391822061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104050.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 2391822061 is about 48906.2578920121. The cubic root of 2391822061 is about 1337.3434524436.

The spelling of 2391822061 in words is "two billion, three hundred ninety-one million, eight hundred twenty-two thousand, sixty-one".