146604647947 has 2 divisors, whose sum is σ = 146604647948. Its totient is φ = 146604647946.

The previous prime is 146604647929. The next prime is 146604647951. The reversal of 146604647947 is 749746406641.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-146604647947 is a prime.

It is a super-2 number, since 2×146604647947² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 146604647891 and 146604647900.

It is not a weakly prime, because it can be changed into another prime (146604647347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73302323973 + 73302323974.

It is an arithmetic number, because the mean of its divisors is an integer number (73302323974).

Almost surely, 2^146604647947 is an apocalyptic number.

146604647947 is a deficient number, since it is larger than the sum of its proper divisors (1).

146604647947 is an equidigital number, since it uses as much as digits as its factorization.

146604647947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24385536, while the sum is 58.

The spelling of 146604647947 in words is "one hundred forty-six billion, six hundred four million, six hundred forty-seven thousand, nine hundred forty-seven".