2075432661987 has 4 divisors (see below), whose sum is σ = 2767243549320. Its totient is φ = 1383621774656.

The previous prime is 2075432661971. The next prime is 2075432662111. The reversal of 2075432661987 is 7891662345702.

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 2075432661987 - 2⁴ = 2075432661971 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2075432661987.

It is not an unprimeable number, because it can be changed into a prime (2075432661947) 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, 345905443662 + ... + 345905443667.

It is an arithmetic number, because the mean of its divisors is an integer number (691810887330).

It is a 2-persistent number, because it is pandigital, and so is 2⋅2075432661987 = 4150865323974, but 3⋅2075432661987 = 6226297985961 is not.

Almost surely, 2^{2075432661987} is an apocalyptic number.

2075432661987 is a deficient number, since it is larger than the sum of its proper divisors (691810887333).

2075432661987 is an equidigital number, since it uses as much as digits as its factorization.

2075432661987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691810887332.

The product of its (nonzero) digits is 30481920, while the sum is 60.

The spelling of 2075432661987 in words is "two trillion, seventy-five billion, four hundred thirty-two million, six hundred sixty-one thousand, nine hundred eighty-seven".