3728790553 has 4 divisors (see below), whose sum is σ = 3728989108. Its totient is φ = 3728592000.

The previous prime is 3728790517. The next prime is 3728790581. The reversal of 3728790553 is 3550978273.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3550978273 = 42569 ⋅83417.

It can be written as a sum of positive squares in 2 ways, for example, as 1393678224 + 2335112329 = 37332^2 + 48323^2 .

It is a cyclic number.

It is not a de Polignac number, because 3728790553 - 2⁹ = 3728790041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3728790497 and 3728790506.

It is not an unprimeable number, because it can be changed into a prime (3728790253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67776 + ... + 109777.

It is an arithmetic number, because the mean of its divisors is an integer number (932247277).

Almost surely, 2^3728790553 is an apocalyptic number.

It is an amenable number.

3728790553 is a deficient number, since it is larger than the sum of its proper divisors (198555).

3728790553 is a wasteful number, since it uses less digits than its factorization.

3728790553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198554.

The product of its (nonzero) digits is 1587600, while the sum is 49.

The square root of 3728790553 is about 61063.8236028502. The cubic root of 3728790553 is about 1550.6817054075.

The spelling of 3728790553 in words is "three billion, seven hundred twenty-eight million, seven hundred ninety thousand, five hundred fifty-three".