39475880349 has 4 divisors (see below), whose sum is σ = 52634507136. Its totient is φ = 26317253564.

The previous prime is 39475880333. The next prime is 39475880369. The reversal of 39475880349 is 94308857493.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 94308857493 = 3 ⋅31436285831.

It is a cyclic number.

It is not a de Polignac number, because 39475880349 - 2⁴ = 39475880333 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 39475880292 and 39475880301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39475880369) 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, 6579313389 + ... + 6579313394.

It is an arithmetic number, because the mean of its divisors is an integer number (13158626784).

Almost surely, 2^39475880349 is an apocalyptic number.

It is an amenable number.

39475880349 is a deficient number, since it is larger than the sum of its proper divisors (13158626787).

39475880349 is a wasteful number, since it uses less digits than its factorization.

39475880349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13158626786.

The product of its (nonzero) digits is 26127360, while the sum is 60.

The spelling of 39475880349 in words is "thirty-nine billion, four hundred seventy-five million, eight hundred eighty thousand, three hundred forty-nine".