1461888590429 has 4 divisors (see below), whose sum is σ = 1489471394076. Its totient is φ = 1434305786784.

The previous prime is 1461888590423. The next prime is 1461888590443. The reversal of 1461888590429 is 9240958881641.

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 1152835984804 + 309052605625 = 1073702^2 + 555925^2 .

It is a cyclic number.

It is not a de Polignac number, because 1461888590429 - 2¹⁶ = 1461888524893 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1461888590423) 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, 13791401744 + ... + 13791401849.

It is an arithmetic number, because the mean of its divisors is an integer number (372367848519).

Almost surely, 2^{1461888590429} is an apocalyptic number.

It is an amenable number.

1461888590429 is a deficient number, since it is larger than the sum of its proper divisors (27582803647).

1461888590429 is an equidigital number, since it uses as much as digits as its factorization.

1461888590429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27582803646.

The product of its (nonzero) digits is 39813120, while the sum is 65.

The spelling of 1461888590429 in words is "one trillion, four hundred sixty-one billion, eight hundred eighty-eight million, five hundred ninety thousand, four hundred twenty-nine".