1626132489601 has 3 divisors (see below), whose sum is σ = 1626133764801. Its totient is φ = 1626131214402.

The previous prime is 1626132489589. The next prime is 1626132489637. The reversal of 1626132489601 is 1069842316261.

The square root of 1626132489601 is 1275199.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 1626132489601 - 2⁷ = 1626132489473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1626132489301) by changing a digit.

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 in 2 ways as a sum of consecutive naturals, for example, 637600 + ... + 1912798.

It is an arithmetic number, because the mean of its divisors is an integer number (542044588267).

Almost surely, 2^{1626132489601} is an apocalyptic number.

1626132489601 is the 1275199-th square number.

1626132489601 is the 637600-th centered octagonal number.

It is an amenable number.

1626132489601 is a deficient number, since it is larger than the sum of its proper divisors (1275200).

1626132489601 is an frugal number, since it uses more digits than its factorization.

1626132489601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2550398 (or 1275199 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 49.

Multiplying 1626132489601 by its sum of digits (49), we get a square (79680491990449 = 8926393²).

The spelling of 1626132489601 in words is "one trillion, six hundred twenty-six billion, one hundred thirty-two million, four hundred eighty-nine thousand, six hundred one".