2989887759495 has 256 divisors, whose sum is σ = 6710357606400. Its totient is φ = 1229274869760.

The previous prime is 2989887759493. The next prime is 2989887759497. The reversal of 2989887759495 is 5949577889892.

2989887759495 is a `hidden beast` number, since 2 + 9 + 8 + 9 + 8 + 8 + 7 + 7 + 594 + 9 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (2989887759493) and next prime (2989887759497).

It is not a de Polignac number, because 2989887759495 - 2¹ = 2989887759493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2989887759493) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 429639826 + ... + 429646784.

It is an arithmetic number, because the mean of its divisors is an integer number (26212334400).

Almost surely, 2^{2989887759495} is an apocalyptic number.

2989887759495 is an abundant number, since it is smaller than the sum of its proper divisors (3720469846905).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2989887759495 is a wasteful number, since it uses less digits than its factorization.

2989887759495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7887 (or 7881 counting only the distinct ones).

The product of its digits is 32920473600, while the sum is 90.

The spelling of 2989887759495 in words is "two trillion, nine hundred eighty-nine billion, eight hundred eighty-seven million, seven hundred fifty-nine thousand, four hundred ninety-five".