1754401401681 has 8 divisors (see below), whose sum is σ = 2339208838464. Its totient is φ = 1169597449680.

The previous prime is 1754401401661. The next prime is 1754401401689. The reversal of 1754401401681 is 1861041044571.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1754401401681 - 2¹⁰ = 1754401400657 is a prime.

It is a super-2 number, since 2×1754401401681² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1754401401689) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 717271 + ... + 2005811.

It is an arithmetic number, because the mean of its divisors is an integer number (292401104808).

Almost surely, 2^{1754401401681} is an apocalyptic number.

It is an amenable number.

1754401401681 is a deficient number, since it is larger than the sum of its proper divisors (584807436783).

1754401401681 is a wasteful number, since it uses less digits than its factorization.

1754401401681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1742391.

The product of its (nonzero) digits is 107520, while the sum is 42.

The spelling of 1754401401681 in words is "one trillion, seven hundred fifty-four billion, four hundred one million, four hundred one thousand, six hundred eighty-one".