149920655849537 has 2 divisors, whose sum is σ = 149920655849538. Its totient is φ = 149920655849536.

The previous prime is 149920655849501. The next prime is 149920655849539. The reversal of 149920655849537 is 735948556029941.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 90966653070736 + 58954002778801 = 9537644^2 + 7678151^2 .

It is a cyclic number.

It is not a de Polignac number, because 149920655849537 - 2¹⁶ = 149920655784001 is a prime.

It is a super-2 number, since 2×149920655849537² (a number of 29 digits) contains 22 as substring.

Together with 149920655849539, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (149920655849539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74960327924768 + 74960327924769.

It is an arithmetic number, because the mean of its divisors is an integer number (74960327924769).

It is a 1-persistent number, because it is pandigital, but 2⋅149920655849537 = 299841311699074 is not.

Almost surely, 2^{149920655849537} is an apocalyptic number.

It is an amenable number.

149920655849537 is a deficient number, since it is larger than the sum of its proper divisors (1).

149920655849537 is an equidigital number, since it uses as much as digits as its factorization.

149920655849537 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2939328000, while the sum is 77.

The spelling of 149920655849537 in words is "one hundred forty-nine trillion, nine hundred twenty billion, six hundred fifty-five million, eight hundred forty-nine thousand, five hundred thirty-seven".