149912087641 has 2 divisors, whose sum is σ = 149912087642. Its totient is φ = 149912087640.

The previous prime is 149912087551. The next prime is 149912087651. The reversal of 149912087641 is 146780219941.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98598512016 + 51313575625 = 314004^2 + 226525^2 .

It is a cyclic number.

It is not a de Polignac number, because 149912087641 - 2³⁵ = 115552349273 is a prime.

It is not a weakly prime, because it can be changed into another prime (149912087651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74956043820 + 74956043821.

It is an arithmetic number, because the mean of its divisors is an integer number (74956043821).

Almost surely, 2^149912087641 is an apocalyptic number.

It is an amenable number.

149912087641 is a deficient number, since it is larger than the sum of its proper divisors (1).

149912087641 is an equidigital number, since it uses as much as digits as its factorization.

149912087641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 870912, while the sum is 52.

The spelling of 149912087641 in words is "one hundred forty-nine billion, nine hundred twelve million, eighty-seven thousand, six hundred forty-one".