149929659541 has 2 divisors, whose sum is σ = 149929659542. Its totient is φ = 149929659540.

The previous prime is 149929659487. The next prime is 149929659599. The reversal of 149929659541 is 145956929941.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108325898641 + 41603760900 = 329129^2 + 203970^2 .

It is an emirp because it is prime and its reverse (145956929941) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 149929659541 - 2¹⁹ = 149929135253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149929654541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74964829770 + 74964829771.

It is an arithmetic number, because the mean of its divisors is an integer number (74964829771).

Almost surely, 2^149929659541 is an apocalyptic number.

It is an amenable number.

149929659541 is a deficient number, since it is larger than the sum of its proper divisors (1).

149929659541 is an equidigital number, since it uses as much as digits as its factorization.

149929659541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31492800, while the sum is 64.

The spelling of 149929659541 in words is "one hundred forty-nine billion, nine hundred twenty-nine million, six hundred fifty-nine thousand, five hundred forty-one".