1455966947 has 2 divisors, whose sum is σ = 1455966948. Its totient is φ = 1455966946.

The previous prime is 1455966943. The next prime is 1455966961. The reversal of 1455966947 is 7496695541.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1455966947 - 2² = 1455966943 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1455966892 and 1455966901.

It is not a weakly prime, because it can be changed into another prime (1455966943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 727983473 + 727983474.

It is an arithmetic number, because the mean of its divisors is an integer number (727983474).

Almost surely, 2^1455966947 is an apocalyptic number.

1455966947 is a deficient number, since it is larger than the sum of its proper divisors (1).

1455966947 is an equidigital number, since it uses as much as digits as its factorization.

1455966947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8164800, while the sum is 56.

The square root of 1455966947 is about 38157.1349422359. The cubic root of 1455966947 is about 1133.4016449501.

The spelling of 1455966947 in words is "one billion, four hundred fifty-five million, nine hundred sixty-six thousand, nine hundred forty-seven".