149550939331 has 2 divisors, whose sum is σ = 149550939332. Its totient is φ = 149550939330.

The previous prime is 149550939283. The next prime is 149550939341. The reversal of 149550939331 is 133939055941.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (133939055941) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 149550939331 - 2¹⁹ = 149550415043 is a prime.

It is a super-2 number, since 2×149550939331² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (149550939341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74775469665 + 74775469666.

It is an arithmetic number, because the mean of its divisors is an integer number (74775469666).

Almost surely, 2^149550939331 is an apocalyptic number.

149550939331 is a deficient number, since it is larger than the sum of its proper divisors (1).

149550939331 is an equidigital number, since it uses as much as digits as its factorization.

149550939331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1968300, while the sum is 52.

The spelling of 149550939331 in words is "one hundred forty-nine billion, five hundred fifty million, nine hundred thirty-nine thousand, three hundred thirty-one".