70522021967 has 2 divisors, whose sum is σ = 70522021968. Its totient is φ = 70522021966.

The previous prime is 70522021957. The next prime is 70522022009. The reversal of 70522021967 is 76912022507.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70522021967 - 2¹⁶ = 70521956431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70522021957) 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, 35261010983 + 35261010984.

It is an arithmetic number, because the mean of its divisors is an integer number (35261010984).

Almost surely, 2^70522021967 is an apocalyptic number.

70522021967 is a deficient number, since it is larger than the sum of its proper divisors (1).

70522021967 is an equidigital number, since it uses as much as digits as its factorization.

70522021967 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 105840, while the sum is 41.

The spelling of 70522021967 in words is "seventy billion, five hundred twenty-two million, twenty-one thousand, nine hundred sixty-seven".