39747630949 has 8 divisors (see below), whose sum is σ = 42810092640. Its totient is φ = 36685876656.

The previous prime is 39747630947. The next prime is 39747630959. The reversal of 39747630949 is 94903674793.

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

It is not a de Polignac number, because 39747630949 - 2¹ = 39747630947 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 (39747630943) 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, 57139 + ... + 287680.

It is an arithmetic number, because the mean of its divisors is an integer number (5351261580).

Almost surely, 2^39747630949 is an apocalyptic number.

It is an amenable number.

39747630949 is a deficient number, since it is larger than the sum of its proper divisors (3062461691).

39747630949 is a wasteful number, since it uses less digits than its factorization.

39747630949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353699.

The product of its (nonzero) digits is 30862944, while the sum is 61.

The spelling of 39747630949 in words is "thirty-nine billion, seven hundred forty-seven million, six hundred thirty thousand, nine hundred forty-nine".