2409978551 has 8 divisors (see below), whose sum is σ = 2427935664. Its totient is φ = 2392087680.

The previous prime is 2409978547. The next prime is 2409978553. The reversal of 2409978551 is 1558799042.

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 2409978551 - 2² = 2409978547 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2409978551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2409978553) 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 7 ways as a sum of consecutive naturals, for example, 57701 + ... + 90273.

It is an arithmetic number, because the mean of its divisors is an integer number (303491958).

Almost surely, 2^2409978551 is an apocalyptic number.

2409978551 is a deficient number, since it is larger than the sum of its proper divisors (17957113).

2409978551 is a wasteful number, since it uses less digits than its factorization.

2409978551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33121.

The product of its (nonzero) digits is 907200, while the sum is 50.

The square root of 2409978551 is about 49091.5323757570. The cubic root of 2409978551 is about 1340.7188819202.

The spelling of 2409978551 in words is "two billion, four hundred nine million, nine hundred seventy-eight thousand, five hundred fifty-one".