52121062379 has 2 divisors, whose sum is σ = 52121062380. Its totient is φ = 52121062378.

The previous prime is 52121062369. The next prime is 52121062387. The reversal of 52121062379 is 97326012125.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52121062379 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (52121062369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26060531189 + 26060531190.

It is an arithmetic number, because the mean of its divisors is an integer number (26060531190).

Almost surely, 2^52121062379 is an apocalyptic number.

52121062379 is a deficient number, since it is larger than the sum of its proper divisors (1).

52121062379 is an equidigital number, since it uses as much as digits as its factorization.

52121062379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 38.

The spelling of 52121062379 in words is "fifty-two billion, one hundred twenty-one million, sixty-two thousand, three hundred seventy-nine".