3755421064 has 8 divisors (see below), whose sum is σ = 7041414510. Its totient is φ = 1877710528.

The previous prime is 3755421029. The next prime is 3755421077. The reversal of 3755421064 is 4601245573.

It can be written as a sum of positive squares in only one way, i.e., 3677452164 + 77968900 = 60642^2 + 8830^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 234713809 + ... + 234713824.

Almost surely, 2^3755421064 is an apocalyptic number.

It is an amenable number.

3755421064 is a deficient number, since it is larger than the sum of its proper divisors (3285993446).

3755421064 is a wasteful number, since it uses less digits than its factorization.

3755421064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469427639 (or 469427635 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 37.

The square root of 3755421064 is about 61281.4903865759. The cubic root of 3755421064 is about 1554.3645372386.

The spelling of 3755421064 in words is "three billion, seven hundred fifty-five million, four hundred twenty-one thousand, sixty-four".