2037730555081 has 9 divisors (see below), whose sum is σ = 2206556731431. Its totient is φ = 1880964920952.

The previous prime is 2037730555073. The next prime is 2037730555141. The reversal of 2037730555081 is 1805550377302.

The square root of 2037730555081 is 1427491.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 301439431225 + 1736291123856 = 549035^2 + 1317684^2 .

It is not a de Polignac number, because 2037730555081 - 2³ = 2037730555073 is a prime.

It is a super-2 number, since 2×2037730555081² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2037730555031) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 18502480 + ... + 18612286.

It is an arithmetic number, because the mean of its divisors is an integer number (245172970159).

Almost surely, 2^{2037730555081} is an apocalyptic number.

2037730555081 is the 1427491-st square number.

2037730555081 is the 713746-th centered octagonal number.

It is an amenable number.

2037730555081 is a deficient number, since it is larger than the sum of its proper divisors (168826176350).

2037730555081 is an frugal number, since it uses more digits than its factorization.

2037730555081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219640 (or 109820 counting only the distinct ones).

The product of its (nonzero) digits is 882000, while the sum is 46.

The spelling of 2037730555081 in words is "two trillion, thirty-seven billion, seven hundred thirty million, five hundred fifty-five thousand, eighty-one".