1456561429 has 2 divisors, whose sum is σ = 1456561430. Its totient is φ = 1456561428.

The previous prime is 1456561399. The next prime is 1456561433. The reversal of 1456561429 is 9241656541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1019333329 + 437228100 = 31927^2 + 20910^2 .

It is a cyclic number.

It is not a de Polignac number, because 1456561429 - 2⁵ = 1456561397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1456561459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 728280714 + 728280715.

It is an arithmetic number, because the mean of its divisors is an integer number (728280715).

Almost surely, 2^1456561429 is an apocalyptic number.

It is an amenable number.

1456561429 is a deficient number, since it is larger than the sum of its proper divisors (1).

1456561429 is an equidigital number, since it uses as much as digits as its factorization.

1456561429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 259200, while the sum is 43.

The square root of 1456561429 is about 38164.9240664776. The cubic root of 1456561429 is about 1133.5558826991. Note that the first 3 decimals are identical.

The spelling of 1456561429 in words is "one billion, four hundred fifty-six million, five hundred sixty-one thousand, four hundred twenty-nine".