10439191845 has 32 divisors (see below), whose sum is σ = 18873129600. Its totient is φ = 5473199232.

The previous prime is 10439191837. The next prime is 10439191859. The reversal of 10439191845 is 54819193401.

It is not a de Polignac number, because 10439191845 - 2³ = 10439191837 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 10439191845.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 647352 + ... + 663281.

It is an arithmetic number, because the mean of its divisors is an integer number (589785300).

Almost surely, 2^10439191845 is an apocalyptic number.

10439191845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10439191845 is a deficient number, since it is larger than the sum of its proper divisors (8433937755).

10439191845 is a wasteful number, since it uses less digits than its factorization.

10439191845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1310706 (or 1310700 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

The spelling of 10439191845 in words is "ten billion, four hundred thirty-nine million, one hundred ninety-one thousand, eight hundred forty-five".