10195605149 has 4 divisors (see below), whose sum is σ = 10213715136. Its totient is φ = 10177495164.

The previous prime is 10195605131. The next prime is 10195605151. The reversal of 10195605149 is 94150659101.

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: 94150659101 = 54829 ⋅1717169.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10195605149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10195605169) 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, 9054149 + ... + 9055274.

It is an arithmetic number, because the mean of its divisors is an integer number (2553428784).

Almost surely, 2^10195605149 is an apocalyptic number.

It is an amenable number.

10195605149 is a deficient number, since it is larger than the sum of its proper divisors (18109987).

10195605149 is an equidigital number, since it uses as much as digits as its factorization.

10195605149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18109986.

The product of its (nonzero) digits is 48600, while the sum is 41.

The spelling of 10195605149 in words is "ten billion, one hundred ninety-five million, six hundred five thousand, one hundred forty-nine".