2072531943810 has 48 divisors (see below), whose sum is σ = 5389008441336. Its totient is φ = 552631555584.

The previous prime is 2072531943791. The next prime is 2072531943827. The reversal of 2072531943810 is 183491352702.

It is a happy number.

2072531943810 is a `hidden beast` number, since 2 + 0 + 7 + 253 + 19 + 4 + 381 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1499402699001 + 573129244809 = 1224501^2 + 757053^2 .

It is a super-2 number, since 2×2072531943810² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 245562 + ... + 2050698.

Almost surely, 2^{2072531943810} is an apocalyptic number.

2072531943810 is an abundant number, since it is smaller than the sum of its proper divisors (3316476497526).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2072531943810 is a wasteful number, since it uses less digits than its factorization.

2072531943810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1817907 (or 1817904 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 2072531943810 in words is "two trillion, seventy-two billion, five hundred thirty-one million, nine hundred forty-three thousand, eight hundred ten".