2920988551 has 4 divisors (see below), whose sum is σ = 3145679992. Its totient is φ = 2696297112.

The previous prime is 2920988533. The next prime is 2920988561. The reversal of 2920988551 is 1558890292.

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

It is a cyclic number.

It is not a de Polignac number, because 2920988551 - 2⁵ = 2920988519 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2920988495 and 2920988504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2920988531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112345701 + ... + 112345726.

It is an arithmetic number, because the mean of its divisors is an integer number (786419998).

Almost surely, 2^2920988551 is an apocalyptic number.

2920988551 is a deficient number, since it is larger than the sum of its proper divisors (224691441).

2920988551 is a wasteful number, since it uses less digits than its factorization.

2920988551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224691440.

The product of its (nonzero) digits is 518400, while the sum is 49.

The square root of 2920988551 is about 54046.1705488927. The cubic root of 2920988551 is about 1429.4751771906.

The spelling of 2920988551 in words is "two billion, nine hundred twenty million, nine hundred eighty-eight thousand, five hundred fifty-one".