149193771283 has 2 divisors, whose sum is σ = 149193771284. Its totient is φ = 149193771282.

The previous prime is 149193771271. The next prime is 149193771299. The reversal of 149193771283 is 382177391941.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (382177391941) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-149193771283 is a prime.

It is not a weakly prime, because it can be changed into another prime (149193741283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74596885641 + 74596885642.

It is an arithmetic number, because the mean of its divisors is an integer number (74596885642).

Almost surely, 2^149193771283 is an apocalyptic number.

149193771283 is a deficient number, since it is larger than the sum of its proper divisors (1).

149193771283 is an equidigital number, since it uses as much as digits as its factorization.

149193771283 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2286144, while the sum is 55.

The spelling of 149193771283 in words is "one hundred forty-nine billion, one hundred ninety-three million, seven hundred seventy-one thousand, two hundred eighty-three".