39449061847 has 16 divisors (see below), whose sum is σ = 45137554560. Its totient is φ = 34175531232.

The previous prime is 39449061829. The next prime is 39449061851. The reversal of 39449061847 is 74816094493.

It is a cyclic number.

It is not a de Polignac number, because 39449061847 - 2¹⁵ = 39449029079 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 (39449061347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 719893 + ... + 772750.

It is an arithmetic number, because the mean of its divisors is an integer number (2821097160).

Almost surely, 2^39449061847 is an apocalyptic number.

39449061847 is a deficient number, since it is larger than the sum of its proper divisors (5688492713).

39449061847 is a wasteful number, since it uses less digits than its factorization.

39449061847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1492782.

The product of its (nonzero) digits is 5225472, while the sum is 55.

The spelling of 39449061847 in words is "thirty-nine billion, four hundred forty-nine million, sixty-one thousand, eight hundred forty-seven".