1478492461 has 2 divisors, whose sum is σ = 1478492462. Its totient is φ = 1478492460.

The previous prime is 1478492423. The next prime is 1478492503. The reversal of 1478492461 is 1642948741.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1129363236 + 349129225 = 33606^2 + 18685^2 .

It is a cyclic number.

It is not a de Polignac number, because 1478492461 - 2¹¹ = 1478490413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1478495461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 739246230 + 739246231.

It is an arithmetic number, because the mean of its divisors is an integer number (739246231).

Almost surely, 2^1478492461 is an apocalyptic number.

It is an amenable number.

1478492461 is a deficient number, since it is larger than the sum of its proper divisors (1).

1478492461 is an equidigital number, since it uses as much as digits as its factorization.

1478492461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 387072, while the sum is 46.

The square root of 1478492461 is about 38451.1698261574. The cubic root of 1478492461 is about 1139.2167752930.

The spelling of 1478492461 in words is "one billion, four hundred seventy-eight million, four hundred ninety-two thousand, four hundred sixty-one".