149193771299 has 2 divisors, whose sum is σ = 149193771300. Its totient is φ = 149193771298.

The previous prime is 149193771283. The next prime is 149193771313. The reversal of 149193771299 is 992177391941.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 149193771299 - 2⁴ = 149193771283 is a prime.

It is a super-2 number, since 2×149193771299² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (149193776299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74596885649 + 74596885650.

It is an arithmetic number, because the mean of its divisors is an integer number (74596885650).

Almost surely, 2^149193771299 is an apocalyptic number.

149193771299 is a deficient number, since it is larger than the sum of its proper divisors (1).

149193771299 is an equidigital number, since it uses as much as digits as its factorization.

149193771299 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7715736, while the sum is 62.

The spelling of 149193771299 in words is "one hundred forty-nine billion, one hundred ninety-three million, seven hundred seventy-one thousand, two hundred ninety-nine".