39478902149 has 8 divisors (see below), whose sum is σ = 39723022080. Its totient is φ = 39235440496.

The previous prime is 39478902139. The next prime is 39478902179. The reversal of 39478902149 is 94120987493.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 39478902149 - 2²⁸ = 39210466693 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 39478902094 and 39478902103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39478902139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43982 + ... + 284415.

It is an arithmetic number, because the mean of its divisors is an integer number (4965377760).

Almost surely, 2^39478902149 is an apocalyptic number.

It is an amenable number.

39478902149 is a deficient number, since it is larger than the sum of its proper divisors (244119931).

39478902149 is a wasteful number, since it uses less digits than its factorization.

39478902149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329139.

The product of its (nonzero) digits is 3919104, while the sum is 56.

The spelling of 39478902149 in words is "thirty-nine billion, four hundred seventy-eight million, nine hundred two thousand, one hundred forty-nine".