69676981943 has 2 divisors, whose sum is σ = 69676981944. Its totient is φ = 69676981942.

The previous prime is 69676981909. The next prime is 69676981967. The reversal of 69676981943 is 34918967696.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 69676981943 - 2¹⁴ = 69676965559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69676981973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34838490971 + 34838490972.

It is an arithmetic number, because the mean of its divisors is an integer number (34838490972).

Almost surely, 2^69676981943 is an apocalyptic number.

69676981943 is a deficient number, since it is larger than the sum of its proper divisors (1).

69676981943 is an equidigital number, since it uses as much as digits as its factorization.

69676981943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 105815808, while the sum is 68.

The spelling of 69676981943 in words is "sixty-nine billion, six hundred seventy-six million, nine hundred eighty-one thousand, nine hundred forty-three".