70212257659 has 2 divisors, whose sum is σ = 70212257660. Its totient is φ = 70212257658.

The previous prime is 70212257623. The next prime is 70212257693. The reversal of 70212257659 is 95675221207.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70212257659 is a prime.

It is a super-2 number, since 2×70212257659² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (70212257959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35106128829 + 35106128830.

It is an arithmetic number, because the mean of its divisors is an integer number (35106128830).

Almost surely, 2^70212257659 is an apocalyptic number.

70212257659 is a deficient number, since it is larger than the sum of its proper divisors (1).

70212257659 is an equidigital number, since it uses as much as digits as its factorization.

70212257659 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 529200, while the sum is 46.

The spelling of 70212257659 in words is "seventy billion, two hundred twelve million, two hundred fifty-seven thousand, six hundred fifty-nine".