69461642947 has 2 divisors, whose sum is σ = 69461642948. Its totient is φ = 69461642946.

The previous prime is 69461642843. The next prime is 69461642953. The reversal of 69461642947 is 74924616496.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 69461642947 - 2¹⁹ = 69461118659 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 69461642891 and 69461642900.

It is not a weakly prime, because it can be changed into another prime (69461642447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34730821473 + 34730821474.

It is an arithmetic number, because the mean of its divisors is an integer number (34730821474).

Almost surely, 2^69461642947 is an apocalyptic number.

69461642947 is a deficient number, since it is larger than the sum of its proper divisors (1).

69461642947 is an equidigital number, since it uses as much as digits as its factorization.

69461642947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15676416, while the sum is 58.

The spelling of 69461642947 in words is "sixty-nine billion, four hundred sixty-one million, six hundred forty-two thousand, nine hundred forty-seven".