2001452553242 has 4 divisors (see below), whose sum is σ = 3002178829866. Its totient is φ = 1000726276620.

The previous prime is 2001452553209. The next prime is 2001452553293. The reversal of 2001452553242 is 2423552541002.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1275908052721 + 725544500521 = 1129561^2 + 851789^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500363138309 + ... + 500363138312.

Almost surely, 2^{2001452553242} is an apocalyptic number.

2001452553242 is a deficient number, since it is larger than the sum of its proper divisors (1000726276624).

2001452553242 is a wasteful number, since it uses less digits than its factorization.

2001452553242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000726276623.

The product of its (nonzero) digits is 96000, while the sum is 35.

The spelling of 2001452553242 in words is "two trillion, one billion, four hundred fifty-two million, five hundred fifty-three thousand, two hundred forty-two".