2520350989 has 8 divisors (see below), whose sum is σ = 2725041312. Its totient is φ = 2317206000.

The previous prime is 2520350957. The next prime is 2520350999. The reversal of 2520350989 is 9890530252.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2520350989 - 2⁵ = 2520350957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2520350999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 382939 + ... + 389464.

It is an arithmetic number, because the mean of its divisors is an integer number (340630164).

Almost surely, 2^2520350989 is an apocalyptic number.

It is an amenable number.

2520350989 is a deficient number, since it is larger than the sum of its proper divisors (204690323).

2520350989 is a wasteful number, since it uses less digits than its factorization.

2520350989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 772667.

The product of its (nonzero) digits is 194400, while the sum is 43.

The square root of 2520350989 is about 50203.0974044431. The cubic root of 2520350989 is about 1360.8815991330.

The spelling of 2520350989 in words is "two billion, five hundred twenty million, three hundred fifty thousand, nine hundred eighty-nine".