2316607621 has 2 divisors, whose sum is σ = 2316607622. Its totient is φ = 2316607620.

The previous prime is 2316607619. The next prime is 2316607637. The reversal of 2316607621 is 1267066132.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1628122500 + 688485121 = 40350^2 + 26239^2 .

It is a cyclic number.

It is not a de Polignac number, because 2316607621 - 2¹ = 2316607619 is a prime.

Together with 2316607619, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2316607721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1158303810 + 1158303811.

It is an arithmetic number, because the mean of its divisors is an integer number (1158303811).

Almost surely, 2^2316607621 is an apocalyptic number.

It is an amenable number.

2316607621 is a deficient number, since it is larger than the sum of its proper divisors (1).

2316607621 is an equidigital number, since it uses as much as digits as its factorization.

2316607621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 2316607621 is about 48131.1502148037. The cubic root of 2316607621 is about 1323.1756301372.

The spelling of 2316607621 in words is "two billion, three hundred sixteen million, six hundred seven thousand, six hundred twenty-one".