10420697503 has 4 divisors (see below), whose sum is σ = 10428783120. Its totient is φ = 10412611888.

The previous prime is 10420697491. The next prime is 10420697509. The reversal of 10420697503 is 30579602401.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10420697503 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 (10420697509) 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, 4040875 + ... + 4043452.

It is an arithmetic number, because the mean of its divisors is an integer number (2607195780).

Almost surely, 2^10420697503 is an apocalyptic number.

10420697503 is a deficient number, since it is larger than the sum of its proper divisors (8085617).

10420697503 is an equidigital number, since it uses as much as digits as its factorization.

10420697503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8085616.

The product of its (nonzero) digits is 45360, while the sum is 37.

The spelling of 10420697503 in words is "ten billion, four hundred twenty million, six hundred ninety-seven thousand, five hundred three".