61623133307 has 2 divisors, whose sum is σ = 61623133308. Its totient is φ = 61623133306.

The previous prime is 61623133301. The next prime is 61623133309. The reversal of 61623133307 is 70333132616.

61623133307 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 is a cyclic number.

It is not a de Polignac number, because 61623133307 - 2¹⁴ = 61623116923 is a prime.

Together with 61623133309, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (61623133301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30811566653 + 30811566654.

It is an arithmetic number, because the mean of its divisors is an integer number (30811566654).

Almost surely, 2^61623133307 is an apocalyptic number.

61623133307 is a deficient number, since it is larger than the sum of its proper divisors (1).

61623133307 is an equidigital number, since it uses as much as digits as its factorization.

61623133307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 35.

The spelling of 61623133307 in words is "sixty-one billion, six hundred twenty-three million, one hundred thirty-three thousand, three hundred seven".