39478902103 has 4 divisors (see below), whose sum is σ = 41801190480. Its totient is φ = 37156613728.

The previous prime is 39478902083. The next prime is 39478902131. The reversal of 39478902103 is 30120987493.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30120987493 = 97151 ⋅310043.

It is a cyclic number.

It is not a de Polignac number, because 39478902103 - 2³³ = 30888967511 is a prime.

It is a super-2 number, since 2×39478902103² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39478900103) 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, 1161144163 + ... + 1161144196.

It is an arithmetic number, because the mean of its divisors is an integer number (10450297620).

Almost surely, 2^39478902103 is an apocalyptic number.

39478902103 is a deficient number, since it is larger than the sum of its proper divisors (2322288377).

39478902103 is a wasteful number, since it uses less digits than its factorization.

39478902103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2322288376.

The product of its (nonzero) digits is 326592, while the sum is 46.

The spelling of 39478902103 in words is "thirty-nine billion, four hundred seventy-eight million, nine hundred two thousand, one hundred three".