149876334961 has 4 divisors (see below), whose sum is σ = 149894481472. Its totient is φ = 149858188452.

The previous prime is 149876334931. The next prime is 149876334991. The reversal of 149876334961 is 169433678941.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 169433678941 = 3323 ⋅50988167.

It is an interprime number because it is at equal distance from previous prime (149876334931) and next prime (149876334991).

It is a cyclic number.

It is not a de Polignac number, because 149876334961 - 2¹⁵ = 149876302193 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 149876334961.

It is not an unprimeable number, because it can be changed into a prime (149876334931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9060861 + ... + 9077386.

It is an arithmetic number, because the mean of its divisors is an integer number (37473620368).

Almost surely, 2^149876334961 is an apocalyptic number.

It is an amenable number.

149876334961 is a deficient number, since it is larger than the sum of its proper divisors (18146511).

149876334961 is an equidigital number, since it uses as much as digits as its factorization.

149876334961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18146510.

The product of its digits is 23514624, while the sum is 61.

The spelling of 149876334961 in words is "one hundred forty-nine billion, eight hundred seventy-six million, three hundred thirty-four thousand, nine hundred sixty-one".