149333417273 has 2 divisors, whose sum is σ = 149333417274. Its totient is φ = 149333417272.

The previous prime is 149333417243. The next prime is 149333417327. The reversal of 149333417273 is 372714333941.

Together with next prime (149333417327) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 143509895929 + 5823521344 = 378827^2 + 76312^2 .

It is a cyclic number.

It is not a de Polignac number, because 149333417273 - 2¹⁸ = 149333155129 is a prime.

It is not a weakly prime, because it can be changed into another prime (149333417213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74666708636 + 74666708637.

It is an arithmetic number, because the mean of its divisors is an integer number (74666708637).

Almost surely, 2^149333417273 is an apocalyptic number.

It is an amenable number.

149333417273 is a deficient number, since it is larger than the sum of its proper divisors (1).

149333417273 is an equidigital number, since it uses as much as digits as its factorization.

149333417273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1143072, while the sum is 47.

The spelling of 149333417273 in words is "one hundred forty-nine billion, three hundred thirty-three million, four hundred seventeen thousand, two hundred seventy-three".