10378935709 has 4 divisors (see below), whose sum is σ = 10381436604. Its totient is φ = 10376434816.

The previous prime is 10378935691. The next prime is 10378935719. The reversal of 10378935709 is 90753987301.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2071160100 + 8307775609 = 45510^2 + 91147^2 .

It is a cyclic number.

It is not a de Polignac number, because 10378935709 - 2³³ = 1789001117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10378935719) 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, 1244212 + ... + 1252525.

It is an arithmetic number, because the mean of its divisors is an integer number (2595359151).

Almost surely, 2^10378935709 is an apocalyptic number.

It is an amenable number.

10378935709 is a deficient number, since it is larger than the sum of its proper divisors (2500895).

10378935709 is an equidigital number, since it uses as much as digits as its factorization.

10378935709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2500894.

The product of its (nonzero) digits is 1428840, while the sum is 52.

The spelling of 10378935709 in words is "ten billion, three hundred seventy-eight million, nine hundred thirty-five thousand, seven hundred nine".