39734463890 has 16 divisors (see below), whose sum is σ = 78024038400. Its totient is φ = 14448895920.

The previous prime is 39734463829. The next prime is 39734463917. The reversal of 39734463890 is 9836443793.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180611090 + ... + 180611309.

It is an arithmetic number, because the mean of its divisors is an integer number (4876502400).

Almost surely, 2^39734463890 is an apocalyptic number.

39734463890 is a deficient number, since it is larger than the sum of its proper divisors (38289574510).

39734463890 is a wasteful number, since it uses less digits than its factorization.

39734463890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361222417.

The product of its (nonzero) digits is 11757312, while the sum is 56.

The spelling of 39734463890 in words is "thirty-nine billion, seven hundred thirty-four million, four hundred sixty-three thousand, eight hundred ninety".