1709425502500 has 135 divisors (see below), whose sum is σ = 3797562180951. Its totient is φ = 673075260000.

The previous prime is 1709425502483. The next prime is 1709425502501. The reversal of 1709425502500 is 52055249071.

It is a happy number.

The square root of 1709425502500 is 1307450.

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

It can be written as a sum of positive squares in 2 ways, for example, as 134018959396 + 1575406543104 = 366086^2 + 1255152^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1709425502501) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 5164427335 + ... + 5164427665.

Almost surely, 2^{1709425502500} is an apocalyptic number.

1709425502500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1709425502500 is the 1307450-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1709425502500

1709425502500 is an abundant number, since it is smaller than the sum of its proper divisors (2088136678451).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1709425502500 is an frugal number, since it uses more digits than its factorization.

1709425502500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844 (or 417 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 40.

The spelling of 1709425502500 in words is "one trillion, seven hundred nine billion, four hundred twenty-five million, five hundred two thousand, five hundred".