1989460951753 has 16 divisors (see below), whose sum is σ = 2303294204736. Its totient is φ = 1698281303040.

The previous prime is 1989460951721. The next prime is 1989460951759. The reversal of 1989460951753 is 3571590649891.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1989460951753 - 2⁵ = 1989460951721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1989460951759) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12204051 + ... + 12365992.

It is an arithmetic number, because the mean of its divisors is an integer number (143955887796).

Almost surely, 2^{1989460951753} is an apocalyptic number.

It is an amenable number.

1989460951753 is a deficient number, since it is larger than the sum of its proper divisors (313833252983).

1989460951753 is a wasteful number, since it uses less digits than its factorization.

1989460951753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24570504.

The product of its (nonzero) digits is 73483200, while the sum is 67.

The spelling of 1989460951753 in words is "one trillion, nine hundred eighty-nine billion, four hundred sixty million, nine hundred fifty-one thousand, seven hundred fifty-three".