149693314829 has 2 divisors, whose sum is σ = 149693314830. Its totient is φ = 149693314828.

The previous prime is 149693314811. The next prime is 149693314831. The reversal of 149693314829 is 928413396941.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 149538436804 + 154878025 = 386702^2 + 12445^2 .

It is a cyclic number.

It is not a de Polignac number, because 149693314829 - 2¹² = 149693310733 is a prime.

It is a super-2 number, since 2×149693314829² (a number of 23 digits) contains 22 as substring.

Together with 149693314831, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149693314129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74846657414 + 74846657415.

It is an arithmetic number, because the mean of its divisors is an integer number (74846657415).

Almost surely, 2^149693314829 is an apocalyptic number.

It is an amenable number.

149693314829 is a deficient number, since it is larger than the sum of its proper divisors (1).

149693314829 is an equidigital number, since it uses as much as digits as its factorization.

149693314829 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10077696, while the sum is 59.

The spelling of 149693314829 in words is "one hundred forty-nine billion, six hundred ninety-three million, three hundred fourteen thousand, eight hundred twenty-nine".