146673486881 has 2 divisors, whose sum is σ = 146673486882. Its totient is φ = 146673486880.

The previous prime is 146673486859. The next prime is 146673486887. The reversal of 146673486881 is 188684376641.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 144631893025 + 2041593856 = 380305^2 + 45184^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-146673486881 is a prime.

It is a super-2 number, since 2×146673486881² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (146673486887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73336743440 + 73336743441.

It is an arithmetic number, because the mean of its divisors is an integer number (73336743441).

Almost surely, 2^146673486881 is an apocalyptic number.

It is an amenable number.

146673486881 is a deficient number, since it is larger than the sum of its proper divisors (1).

146673486881 is an equidigital number, since it uses as much as digits as its factorization.

146673486881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37158912, while the sum is 62.

The spelling of 146673486881 in words is "one hundred forty-six billion, six hundred seventy-three million, four hundred eighty-six thousand, eight hundred eighty-one".