70875385369 has 2 divisors, whose sum is σ = 70875385370. Its totient is φ = 70875385368.

The previous prime is 70875385351. The next prime is 70875385433. The reversal of 70875385369 is 96358357807.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41630281225 + 29245104144 = 204035^2 + 171012^2 .

It is a cyclic number.

It is not a de Polignac number, because 70875385369 - 2¹⁵ = 70875352601 is a prime.

It is a super-2 number, since 2×70875385369² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (70875385319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35437692684 + 35437692685.

It is an arithmetic number, because the mean of its divisors is an integer number (35437692685).

Almost surely, 2^70875385369 is an apocalyptic number.

It is an amenable number.

70875385369 is a deficient number, since it is larger than the sum of its proper divisors (1).

70875385369 is an equidigital number, since it uses as much as digits as its factorization.

70875385369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38102400, while the sum is 61.

It can be divided in two parts, 7087538 and 5369, that added together give a palindrome (7092907).

The spelling of 70875385369 in words is "seventy billion, eight hundred seventy-five million, three hundred eighty-five thousand, three hundred sixty-nine".