1699409460996 has 243 divisors, whose sum is σ = 4838066479701. Its totient is φ = 522050476896.

The previous prime is 1699409460979. The next prime is 1699409460997. The reversal of 1699409460996 is 6990649049961.

The square root of 1699409460996 is 1303614.

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

1699409460996 is a `hidden beast` number, since 1 + 6 + 9 + 9 + 4 + 0 + 9 + 4 + 609 + 9 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 251391932100 + 1448017528896 = 501390^2 + 1203336^2 .

It is a tau number, because it is divible by the number of its divisors (243).

It is a super-2 number, since 2×1699409460996² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1699409460997) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 2745410775 + ... + 2745411393.

Almost surely, 2^{1699409460996} is an apocalyptic number.

1699409460996 is the 1303614-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1699409460996

1699409460996 is an abundant number, since it is smaller than the sum of its proper divisors (3138657018705).

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

1699409460996 is an frugal number, since it uses more digits than its factorization.

1699409460996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1292 (or 637 counting only the distinct ones).

The product of its (nonzero) digits is 204073344, while the sum is 72.

The spelling of 1699409460996 in words is "one trillion, six hundred ninety-nine billion, four hundred nine million, four hundred sixty thousand, nine hundred ninety-six".