1404631582061 has 4 divisors (see below), whose sum is σ = 1412391977724. Its totient is φ = 1396871186400.

The previous prime is 1404631582031. The next prime is 1404631582091. The reversal of 1404631582061 is 1602851364041.

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

It is an interprime number because it is at equal distance from previous prime (1404631582031) and next prime (1404631582091).

It can be written as a sum of positive squares in 2 ways, for example, as 717400530025 + 687231052036 = 846995^2 + 828994^2 .

It is a cyclic number.

It is not a de Polignac number, because 1404631582061 - 2¹⁰ = 1404631581037 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 (1404631582021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3880197560 + ... + 3880197921.

It is an arithmetic number, because the mean of its divisors is an integer number (353097994431).

Almost surely, 2^{1404631582061} is an apocalyptic number.

It is an amenable number.

1404631582061 is a deficient number, since it is larger than the sum of its proper divisors (7760395663).

1404631582061 is an equidigital number, since it uses as much as digits as its factorization.

1404631582061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7760395662.

The product of its (nonzero) digits is 138240, while the sum is 41.

The spelling of 1404631582061 in words is "one trillion, four hundred four billion, six hundred thirty-one million, five hundred eighty-two thousand, sixty-one".