3638910270073 has 16 divisors (see below), whose sum is σ = 3992996192976. Its totient is φ = 3295427316480.

The previous prime is 3638910270031. The next prime is 3638910270077. The reversal of 3638910270073 is 3700720198363.

It can be written as a sum of positive squares in 8 ways, for example, as 21447016704 + 3617463253369 = 146448^2 + 1901963^2 .

It is not a de Polignac number, because 3638910270073 - 2³⁷ = 3501471316601 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3638910269999 and 3638910270026.

It is not an unprimeable number, because it can be changed into a prime (3638910270077) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12615603 + ... + 12900823.

It is an arithmetic number, because the mean of its divisors is an integer number (249562262061).

Almost surely, 2^{3638910270073} is an apocalyptic number.

It is an amenable number.

3638910270073 is a deficient number, since it is larger than the sum of its proper divisors (354085922903).

3638910270073 is a wasteful number, since it uses less digits than its factorization.

3638910270073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303804.

The product of its (nonzero) digits is 1143072, while the sum is 49.

The spelling of 3638910270073 in words is "three trillion, six hundred thirty-eight billion, nine hundred ten million, two hundred seventy thousand, seventy-three".