149723592493 has 2 divisors, whose sum is σ = 149723592494. Its totient is φ = 149723592492.

The previous prime is 149723592457. The next prime is 149723592509. The reversal of 149723592493 is 394295327941.

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., 95705465769 + 54018126724 = 309363^2 + 232418^2 .

It is an emirp because it is prime and its reverse (394295327941) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 149723592493 - 2⁹ = 149723591981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149723292493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74861796246 + 74861796247.

It is an arithmetic number, because the mean of its divisors is an integer number (74861796247).

Almost surely, 2^149723592493 is an apocalyptic number.

It is an amenable number.

149723592493 is a deficient number, since it is larger than the sum of its proper divisors (1).

149723592493 is an equidigital number, since it uses as much as digits as its factorization.

149723592493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14696640, while the sum is 58.

The spelling of 149723592493 in words is "one hundred forty-nine billion, seven hundred twenty-three million, five hundred ninety-two thousand, four hundred ninety-three".