2469780457 has 8 divisors (see below), whose sum is σ = 2612467584. Its totient is φ = 2330035488.

The previous prime is 2469780431. The next prime is 2469780461. The reversal of 2469780457 is 7540879642.

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 2469780457 - 2⁷ = 2469780329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2469780407) 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, 733813 + ... + 737170.

It is an arithmetic number, because the mean of its divisors is an integer number (326558448).

Almost surely, 2^2469780457 is an apocalyptic number.

It is an amenable number.

2469780457 is a deficient number, since it is larger than the sum of its proper divisors (142687127).

2469780457 is a wasteful number, since it uses less digits than its factorization.

2469780457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1471079.

The product of its (nonzero) digits is 3386880, while the sum is 52.

The square root of 2469780457 is about 49696.8857877433. The cubic root of 2469780457 is about 1351.7180607975.

The spelling of 2469780457 in words is "two billion, four hundred sixty-nine million, seven hundred eighty thousand, four hundred fifty-seven".