36469937947 has 2 divisors, whose sum is σ = 36469937948. Its totient is φ = 36469937946.

The previous prime is 36469937929. The next prime is 36469937953. The reversal of 36469937947 is 74973996463.

It is a strong prime.

It is an emirp because it is prime and its reverse (74973996463) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36469937947 - 2¹⁵ = 36469905179 is a prime.

It is not a weakly prime, because it can be changed into another prime (36469937747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18234968973 + 18234968974.

It is an arithmetic number, because the mean of its divisors is an integer number (18234968974).

Almost surely, 2^36469937947 is an apocalyptic number.

36469937947 is a deficient number, since it is larger than the sum of its proper divisors (1).

36469937947 is an equidigital number, since it uses as much as digits as its factorization.

36469937947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 185177664, while the sum is 67.

The spelling of 36469937947 in words is "thirty-six billion, four hundred sixty-nine million, nine hundred thirty-seven thousand, nine hundred forty-seven".