1461932380809 has 6 divisors (see below), whose sum is σ = 2111680105626. Its totient is φ = 974621587200.

The previous prime is 1461932380781. The next prime is 1461932380813. The reversal of 1461932380809 is 9080832391641.

1461932380809 is a `hidden beast` number, since 1 + 461 + 9 + 3 + 23 + 80 + 80 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1262656742400 + 199275638409 = 1123680^2 + 446403^2 .

It is not a de Polignac number, because 1461932380809 - 2¹⁹ = 1461931856521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1461932380889) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 81218465592 + ... + 81218465609.

It is an arithmetic number, because the mean of its divisors is an integer number (351946684271).

Almost surely, 2^{1461932380809} is an apocalyptic number.

It is an amenable number.

1461932380809 is a deficient number, since it is larger than the sum of its proper divisors (649747724817).

1461932380809 is a wasteful number, since it uses less digits than its factorization.

1461932380809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162436931207 (or 162436931204 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 54.

The spelling of 1461932380809 in words is "one trillion, four hundred sixty-one billion, nine hundred thirty-two million, three hundred eighty thousand, eight hundred nine".