39649089452179 has 4 divisors (see below), whose sum is σ = 40057842951784. Its totient is φ = 39240335952576.

The previous prime is 39649089452173. The next prime is 39649089452233. The reversal of 39649089452179 is 97125498094693.

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

It is a cyclic number.

It is not a de Polignac number, because 39649089452179 - 2¹⁹ = 39649088927891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39649089452173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204376749657 + ... + 204376749850.

It is an arithmetic number, because the mean of its divisors is an integer number (10014460737946).

It is a 1-persistent number, because it is pandigital, but 2⋅39649089452179 = 79298178904358 is not.

Almost surely, 2^{39649089452179} is an apocalyptic number.

39649089452179 is a deficient number, since it is larger than the sum of its proper divisors (408753499605).

39649089452179 is an equidigital number, since it uses as much as digits as its factorization.

39649089452179 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408753499604.

The product of its (nonzero) digits is 1058158080, while the sum is 76.

The spelling of 39649089452179 in words is "thirty-nine trillion, six hundred forty-nine billion, eighty-nine million, four hundred fifty-two thousand, one hundred seventy-nine".