69938380843 has 2 divisors, whose sum is σ = 69938380844. Its totient is φ = 69938380842.

The previous prime is 69938380777. The next prime is 69938380859. The reversal of 69938380843 is 34808383996.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-69938380843 is a prime.

It is a super-2 number, since 2×69938380843² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (69938380643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34969190421 + 34969190422.

It is an arithmetic number, because the mean of its divisors is an integer number (34969190422).

Almost surely, 2^69938380843 is an apocalyptic number.

69938380843 is a deficient number, since it is larger than the sum of its proper divisors (1).

69938380843 is an equidigital number, since it uses as much as digits as its factorization.

69938380843 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26873856, while the sum is 61.

The spelling of 69938380843 in words is "sixty-nine billion, nine hundred thirty-eight million, three hundred eighty thousand, eight hundred forty-three".