148867993850897 has 2 divisors, whose sum is σ = 148867993850898. Its totient is φ = 148867993850896.

The previous prime is 148867993850857. The next prime is 148867993851001. The reversal of 148867993850897 is 798058399768841.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83778855180241 + 65089138670656 = 9153079^2 + 8067784^2 .

It is a cyclic number.

It is not a de Polignac number, because 148867993850897 - 2¹⁰ = 148867993849873 is a prime.

It is not a weakly prime, because it can be changed into another prime (148867993850857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74433996925448 + 74433996925449.

It is an arithmetic number, because the mean of its divisors is an integer number (74433996925449).

Almost surely, 2^{148867993850897} is an apocalyptic number.

It is an amenable number.

148867993850897 is a deficient number, since it is larger than the sum of its proper divisors (1).

148867993850897 is an equidigital number, since it uses as much as digits as its factorization.

148867993850897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52672757760, while the sum is 92.

The spelling of 148867993850897 in words is "one hundred forty-eight trillion, eight hundred sixty-seven billion, nine hundred ninety-three million, eight hundred fifty thousand, eight hundred ninety-seven".