469281947 has 2 divisors, whose sum is σ = 469281948. Its totient is φ = 469281946.

The previous prime is 469281871. The next prime is 469281961. The reversal of 469281947 is 749182964.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 469281947 - 2⁸ = 469281691 is a prime.

It is a super-2 number, since 2×469281947² = 440451091560221618, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 469281895 and 469281904.

It is not a weakly prime, because it can be changed into another prime (469281347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 234640973 + 234640974.

It is an arithmetic number, because the mean of its divisors is an integer number (234640974).

Almost surely, 2^469281947 is an apocalyptic number.

469281947 is a deficient number, since it is larger than the sum of its proper divisors (1).

469281947 is an equidigital number, since it uses as much as digits as its factorization.

469281947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 870912, while the sum is 50.

The square root of 469281947 is about 21662.9164010758. The cubic root of 469281947 is about 777.1018612728.

The spelling of 469281947 in words is "four hundred sixty-nine million, two hundred eighty-one thousand, nine hundred forty-seven".