2562752989 has 8 divisors (see below), whose sum is σ = 2677147200. Its totient is φ = 2448606336.

The previous prime is 2562752987. The next prime is 2562753013. The reversal of 2562752989 is 9892572652.

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 2562752989 - 2¹ = 2562752987 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 (2562752987) 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, 40564 + ... + 82285.

It is an arithmetic number, because the mean of its divisors is an integer number (334643400).

Almost surely, 2^2562752989 is an apocalyptic number.

It is an amenable number.

2562752989 is a deficient number, since it is larger than the sum of its proper divisors (114394211).

2562752989 is a wasteful number, since it uses less digits than its factorization.

2562752989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123779.

The product of its digits is 5443200, while the sum is 55.

The square root of 2562752989 is about 50623.6406138476. The cubic root of 2562752989 is about 1368.4709509354.

The spelling of 2562752989 in words is "two billion, five hundred sixty-two million, seven hundred fifty-two thousand, nine hundred eighty-nine".