1754322085421 has 4 divisors (see below), whose sum is σ = 1754396353500. Its totient is φ = 1754247817344.

The previous prime is 1754322085393. The next prime is 1754322085423. The reversal of 1754322085421 is 1245802234571.

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 389268679396 + 1365053406025 = 623914^2 + 1168355^2 .

It is a cyclic number.

It is not a de Polignac number, because 1754322085421 - 2⁶ = 1754322085357 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 (1754322085423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37098596 + ... + 37145853.

It is an arithmetic number, because the mean of its divisors is an integer number (438599088375).

Almost surely, 2^{1754322085421} is an apocalyptic number.

It is an amenable number.

1754322085421 is a deficient number, since it is larger than the sum of its proper divisors (74268079).

1754322085421 is an equidigital number, since it uses as much as digits as its factorization.

1754322085421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74268078.

The product of its (nonzero) digits is 537600, while the sum is 44.

The spelling of 1754322085421 in words is "one trillion, seven hundred fifty-four billion, three hundred twenty-two million, eighty-five thousand, four hundred twenty-one".