10345772447 has 4 divisors (see below), whose sum is σ = 10515375336. Its totient is φ = 10176169560.

The previous prime is 10345772431. The next prime is 10345772449. The reversal of 10345772447 is 74427754301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74427754301 = 43 ⋅1730878007.

It is a cyclic number.

It is not a de Polignac number, because 10345772447 - 2⁴ = 10345772431 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10345772398 and 10345772407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10345772449) 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, 84801353 + ... + 84801474.

It is an arithmetic number, because the mean of its divisors is an integer number (2628843834).

Almost surely, 2^10345772447 is an apocalyptic number.

10345772447 is a deficient number, since it is larger than the sum of its proper divisors (169602889).

10345772447 is an equidigital number, since it uses as much as digits as its factorization.

10345772447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169602888.

The product of its (nonzero) digits is 658560, while the sum is 44.

The spelling of 10345772447 in words is "ten billion, three hundred forty-five million, seven hundred seventy-two thousand, four hundred forty-seven".