2049179973485 has 16 divisors (see below), whose sum is σ = 2473403202864. Its totient is φ = 1629753818112.

The previous prime is 2049179973481. The next prime is 2049179973509. The reversal of 2049179973485 is 5843799719402.

It can be written as a sum of positive squares in 8 ways, for example, as 3038545129 + 2046141428356 = 55123^2 + 1430434^2 .

It is a cyclic number.

It is not a de Polignac number, because 2049179973485 - 2² = 2049179973481 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 (2049179973481) 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, 13568549 + ... + 13718741.

It is an arithmetic number, because the mean of its divisors is an integer number (154587700179).

Almost surely, 2^{2049179973485} is an apocalyptic number.

It is an amenable number.

2049179973485 is a deficient number, since it is larger than the sum of its proper divisors (424223229379).

2049179973485 is a wasteful number, since it uses less digits than its factorization.

2049179973485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166144.

The product of its (nonzero) digits is 137168640, while the sum is 68.

The spelling of 2049179973485 in words is "two trillion, forty-nine billion, one hundred seventy-nine million, nine hundred seventy-three thousand, four hundred eighty-five".