1461887590573 has 4 divisors (see below), whose sum is σ = 1461893742108. Its totient is φ = 1461881439040.

The previous prime is 1461887590453. The next prime is 1461887590589. The reversal of 1461887590573 is 3750957881641.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 466049251684 + 995838338889 = 682678^2 + 997917^2 .

It is a cyclic number.

It is not a de Polignac number, because 1461887590573 - 2¹³ = 1461887582381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1461887590673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2704348 + ... + 3199573.

It is an arithmetic number, because the mean of its divisors is an integer number (365473435527).

Almost surely, 2^{1461887590573} is an apocalyptic number.

It is an amenable number.

1461887590573 is a deficient number, since it is larger than the sum of its proper divisors (6151535).

1461887590573 is an equidigital number, since it uses as much as digits as its factorization.

1461887590573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6151534.

The product of its (nonzero) digits is 50803200, while the sum is 64.

The spelling of 1461887590573 in words is "one trillion, four hundred sixty-one billion, eight hundred eighty-seven million, five hundred ninety thousand, five hundred seventy-three".