7940403103 has 4 divisors (see below), whose sum is σ = 7940922480. Its totient is φ = 7939883728.

The previous prime is 7940403089. The next prime is 7940403113. The reversal of 7940403103 is 3013040497.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3013040497 = 59 ⋅51068483.

It is a cyclic number.

It is not a de Polignac number, because 7940403103 - 2⁵ = 7940403071 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 (7940403113) 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, 236038 + ... + 267571.

It is an arithmetic number, because the mean of its divisors is an integer number (1985230620).

Almost surely, 2^7940403103 is an apocalyptic number.

7940403103 is a deficient number, since it is larger than the sum of its proper divisors (519377).

7940403103 is a wasteful number, since it uses less digits than its factorization.

7940403103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519376.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 7940403103 is about 89108.9395234844. The cubic root of 7940403103 is about 1995.0212080165.

The spelling of 7940403103 in words is "seven billion, nine hundred forty million, four hundred three thousand, one hundred three".