1654470043 has 2 divisors, whose sum is σ = 1654470044. Its totient is φ = 1654470042.

The previous prime is 1654470023. The next prime is 1654470067. The reversal of 1654470043 is 3400744561.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1654470043 is a prime.

It is a super-2 number, since 2×1654470043² = 5474542246368843698, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1654469990 and 1654470008.

It is not a weakly prime, because it can be changed into another prime (1654470023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 827235021 + 827235022.

It is an arithmetic number, because the mean of its divisors is an integer number (827235022).

Almost surely, 2^1654470043 is an apocalyptic number.

1654470043 is a deficient number, since it is larger than the sum of its proper divisors (1).

1654470043 is an equidigital number, since it uses as much as digits as its factorization.

1654470043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 1654470043 is about 40675.1772337872. The cubic root of 1654470043 is about 1182.7318785368.

The spelling of 1654470043 in words is "one billion, six hundred fifty-four million, four hundred seventy thousand, forty-three".