194797264503 has 16 divisors (see below), whose sum is σ = 267689410560. Its totient is φ = 125935680096.

The previous prime is 194797264477. The next prime is 194797264507. The reversal of 194797264503 is 305462797491.

It is a happy number.

It is not a de Polignac number, because 194797264503 - 2⁵ = 194797264471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194797264507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6321975 + ... + 6352712.

It is an arithmetic number, because the mean of its divisors is an integer number (16730588160).

Almost surely, 2^194797264503 is an apocalyptic number.

194797264503 is a deficient number, since it is larger than the sum of its proper divisors (72892146057).

194797264503 is a wasteful number, since it uses less digits than its factorization.

194797264503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12674846.

The product of its (nonzero) digits is 11430720, while the sum is 57.

The spelling of 194797264503 in words is "one hundred ninety-four billion, seven hundred ninety-seven million, two hundred sixty-four thousand, five hundred three".