3488800172521 has 2 divisors, whose sum is σ = 3488800172522. Its totient is φ = 3488800172520.

The previous prime is 3488800172449. The next prime is 3488800172573. The reversal of 3488800172521 is 1252710088843.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3293426448400 + 195373724121 = 1814780^2 + 442011^2 .

It is a cyclic number.

It is not a de Polignac number, because 3488800172521 - 2¹⁷ = 3488800041449 is a prime.

It is not a weakly prime, because it can be changed into another prime (3488800170521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1744400086260 + 1744400086261.

It is an arithmetic number, because the mean of its divisors is an integer number (1744400086261).

Almost surely, 2^{3488800172521} is an apocalyptic number.

It is an amenable number.

3488800172521 is a deficient number, since it is larger than the sum of its proper divisors (1).

3488800172521 is an equidigital number, since it uses as much as digits as its factorization.

3488800172521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 860160, while the sum is 49.

The spelling of 3488800172521 in words is "three trillion, four hundred eighty-eight billion, eight hundred million, one hundred seventy-two thousand, five hundred twenty-one".