10194749477 has 4 divisors (see below), whose sum is σ = 11121544896. Its totient is φ = 9267954060.

The previous prime is 10194749429. The next prime is 10194749489. The reversal of 10194749477 is 77494749101.

10194749477 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is not a de Polignac number, because 10194749477 - 2⁸ = 10194749221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10194749377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 463397693 + ... + 463397714.

It is an arithmetic number, because the mean of its divisors is an integer number (2780386224).

Almost surely, 2^10194749477 is an apocalyptic number.

It is an amenable number.

10194749477 is a deficient number, since it is larger than the sum of its proper divisors (926795419).

10194749477 is an equidigital number, since it uses as much as digits as its factorization.

10194749477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926795418.

The product of its (nonzero) digits is 1778112, while the sum is 53.

The spelling of 10194749477 in words is "ten billion, one hundred ninety-four million, seven hundred forty-nine thousand, four hundred seventy-seven".