1796390687025 has 81 divisors (see below), whose sum is σ = 3537065169547. Its totient is φ = 870870079200.

The previous prime is 1796390686991. The next prime is 1796390687051. The reversal of 1796390687025 is 5207860936971.

The square root of 1796390687025 is 1340295.

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

1796390687025 is a `hidden beast` number, since 17 + 96 + 390 + 68 + 70 + 25 = 666.

It can be written as a sum of positive squares in only one way, i.e., 646700647329 + 1149690039696 = 804177^2 + 1072236^2 .

It is not a de Polignac number, because 1796390687025 - 2¹³ = 1796390678833 is a prime.

It is a super-3 number, since 3×1796390687025³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 221144614 + ... + 221152736.

Almost surely, 2^{1796390687025} is an apocalyptic number.

1796390687025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1796390687025 is the 1340295-th square number.

1796390687025 is the 670148-th centered octagonal number.

It is an amenable number.

1796390687025 is a deficient number, since it is larger than the sum of its proper divisors (1740674482522).

1796390687025 is an frugal number, since it uses more digits than its factorization.

1796390687025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16284 (or 8142 counting only the distinct ones).

The product of its (nonzero) digits is 34292160, while the sum is 63.

The spelling of 1796390687025 in words is "one trillion, seven hundred ninety-six billion, three hundred ninety million, six hundred eighty-seven thousand, twenty-five".