10428207203709 has 24 divisors (see below), whose sum is σ = 15273397768512. Its totient is φ = 6855687892800.

The previous prime is 10428207203663. The next prime is 10428207203723. The reversal of 10428207203709 is 90730270282401.

10428207203709 is a `hidden beast` number, since 10 + 42 + 8 + 207 + 20 + 370 + 9 = 666.

It is not a de Polignac number, because 10428207203709 - 2¹⁹ = 10428206679421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10428207203749) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27819079 + ... + 28191444.

It is an arithmetic number, because the mean of its divisors is an integer number (636391573688).

Almost surely, 2^{10428207203709} is an apocalyptic number.

It is an amenable number.

10428207203709 is a deficient number, since it is larger than the sum of its proper divisors (4845190564803).

10428207203709 is a wasteful number, since it uses less digits than its factorization.

10428207203709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56010817 (or 56010814 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The spelling of 10428207203709 in words is "ten trillion, four hundred twenty-eight billion, two hundred seven million, two hundred three thousand, seven hundred nine".