10194994879 has 2 divisors, whose sum is σ = 10194994880. Its totient is φ = 10194994878.

The previous prime is 10194994841. The next prime is 10194994889. The reversal of 10194994879 is 97849949101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10194994879 - 2¹¹ = 10194992831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10194994889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5097497439 + 5097497440.

It is an arithmetic number, because the mean of its divisors is an integer number (5097497440).

Almost surely, 2^10194994879 is an apocalyptic number.

10194994879 is a deficient number, since it is larger than the sum of its proper divisors (1).

10194994879 is an equidigital number, since it uses as much as digits as its factorization.

10194994879 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5878656, while the sum is 61.

The spelling of 10194994879 in words is "ten billion, one hundred ninety-four million, nine hundred ninety-four thousand, eight hundred seventy-nine".