1755421713 has 40 divisors (see below), whose sum is σ = 2662663080. Its totient is φ = 1152403200.

The previous prime is 1755421699. The next prime is 1755421757. The reversal of 1755421713 is 3171245571.

1755421713 is a `hidden beast` number, since 17 + 554 + 21 + 71 + 3 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 675116289 + 1080305424 = 25983^2 + 32868^2 .

It is not a de Polignac number, because 1755421713 - 2⁹ = 1755421201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1755421763) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1872981 + ... + 1873917.

It is an arithmetic number, because the mean of its divisors is an integer number (66566577).

Almost surely, 2^1755421713 is an apocalyptic number.

It is an amenable number.

1755421713 is a deficient number, since it is larger than the sum of its proper divisors (907241367).

1755421713 is a wasteful number, since it uses less digits than its factorization.

1755421713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1279 (or 1270 counting only the distinct ones).

The product of its digits is 29400, while the sum is 36.

The square root of 1755421713 is about 41897.7530781783. The cubic root of 1755421713 is about 1206.3143347863.

The spelling of 1755421713 in words is "one billion, seven hundred fifty-five million, four hundred twenty-one thousand, seven hundred thirteen".