1456487947 has 2 divisors, whose sum is σ = 1456487948. Its totient is φ = 1456487946.

The previous prime is 1456487939. The next prime is 1456487953. The reversal of 1456487947 is 7497846541.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1456487947 - 2³ = 1456487939 is a prime.

It is not a weakly prime, because it can be changed into another prime (1456487917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 728243973 + 728243974.

It is an arithmetic number, because the mean of its divisors is an integer number (728243974).

Almost surely, 2^1456487947 is an apocalyptic number.

1456487947 is a deficient number, since it is larger than the sum of its proper divisors (1).

1456487947 is an equidigital number, since it uses as much as digits as its factorization.

1456487947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6773760, while the sum is 55.

The square root of 1456487947 is about 38163.9613640932. The cubic root of 1456487947 is about 1133.5368201425.

The spelling of 1456487947 in words is "one billion, four hundred fifty-six million, four hundred eighty-seven thousand, nine hundred forty-seven".