1461443741 has 2 divisors, whose sum is σ = 1461443742. Its totient is φ = 1461443740.

The previous prime is 1461443707. The next prime is 1461443749. The reversal of 1461443741 is 1473441641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1415339641 + 46104100 = 37621^2 + 6790^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1461443741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1461443749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 730721870 + 730721871.

It is an arithmetic number, because the mean of its divisors is an integer number (730721871).

Almost surely, 2^1461443741 is an apocalyptic number.

It is an amenable number.

1461443741 is a deficient number, since it is larger than the sum of its proper divisors (1).

1461443741 is an equidigital number, since it uses as much as digits as its factorization.

1461443741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32256, while the sum is 35.

The square root of 1461443741 is about 38228.8338953727. The cubic root of 1461443741 is about 1134.8210087308.

The spelling of 1461443741 in words is "one billion, four hundred sixty-one million, four hundred forty-three thousand, seven hundred forty-one".