2072451617741 has 8 divisors (see below), whose sum is σ = 2085065861304. Its totient is φ = 2059874530560.

The previous prime is 2072451617669. The next prime is 2072451617777. The reversal of 2072451617741 is 1477161542702.

It can be written as a sum of positive squares in 4 ways, for example, as 586417476841 + 1486034140900 = 765779^2 + 1219030^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2072451617741 - 2¹⁴ = 2072451601357 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 (2072451617941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9177200 + ... + 9400313.

It is an arithmetic number, because the mean of its divisors is an integer number (260633232663).

Almost surely, 2^{2072451617741} is an apocalyptic number.

It is an amenable number.

2072451617741 is a deficient number, since it is larger than the sum of its proper divisors (12614243563).

2072451617741 is a wasteful number, since it uses less digits than its factorization.

2072451617741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18578191.

The product of its (nonzero) digits is 658560, while the sum is 47.

The spelling of 2072451617741 in words is "two trillion, seventy-two billion, four hundred fifty-one million, six hundred seventeen thousand, seven hundred forty-one".