39449902346 has 4 divisors (see below), whose sum is σ = 59174853522. Its totient is φ = 19724951172.

The previous prime is 39449902343. The next prime is 39449902351. The reversal of 39449902346 is 64320994493.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 38636226721 + 813675625 = 196561^2 + 28525^2 .

It is not an unprimeable number, because it can be changed into a prime (39449902343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9862475585 + ... + 9862475588.

Almost surely, 2^39449902346 is an apocalyptic number.

39449902346 is a deficient number, since it is larger than the sum of its proper divisors (19724951176).

39449902346 is a wasteful number, since it uses less digits than its factorization.

39449902346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19724951175.

The product of its (nonzero) digits is 5038848, while the sum is 53.

The spelling of 39449902346 in words is "thirty-nine billion, four hundred forty-nine million, nine hundred two thousand, three hundred forty-six".