2478485461 has 4 divisors (see below), whose sum is σ = 2494899424. Its totient is φ = 2462071500.

The previous prime is 2478485459. The next prime is 2478485467. The reversal of 2478485461 is 1645848742.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2478485461 - 2¹ = 2478485459 is a prime.

It is a super-2 number, since 2×2478485461² = 12285780360776765042, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2478485467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8206755 + ... + 8207056.

It is an arithmetic number, because the mean of its divisors is an integer number (623724856).

Almost surely, 2^2478485461 is an apocalyptic number.

It is an amenable number.

2478485461 is a deficient number, since it is larger than the sum of its proper divisors (16413963).

2478485461 is a wasteful number, since it uses less digits than its factorization.

2478485461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16413962.

The product of its digits is 1720320, while the sum is 49.

The square root of 2478485461 is about 49784.3897321239. The cubic root of 2478485461 is about 1353.3042900185.

The spelling of 2478485461 in words is "two billion, four hundred seventy-eight million, four hundred eighty-five thousand, four hundred sixty-one".