10345778459 has 8 divisors (see below), whose sum is σ = 10814699520. Its totient is φ = 9885306600.

The previous prime is 10345778437. The next prime is 10345778497. The reversal of 10345778459 is 95487754301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10345778459 - 2¹² = 10345774363 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10345778459.

It is not an unprimeable number, because it can be changed into a prime (10345778759) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2109797 + ... + 2114694.

It is an arithmetic number, because the mean of its divisors is an integer number (1351837440).

Almost surely, 2^10345778459 is an apocalyptic number.

10345778459 is a deficient number, since it is larger than the sum of its proper divisors (468921061).

10345778459 is an equidigital number, since it uses as much as digits as its factorization.

10345778459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4224601.

The product of its (nonzero) digits is 4233600, while the sum is 53.

The spelling of 10345778459 in words is "ten billion, three hundred forty-five million, seven hundred seventy-eight thousand, four hundred fifty-nine".