2070695098081 has 3 divisors (see below), whose sum is σ = 2070696537073. Its totient is φ = 2070693659090.

The previous prime is 2070695098037. The next prime is 2070695098103. The reversal of 2070695098081 is 1808905960702.

The square root of 2070695098081 is 1438991.

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 2070695098081 - 2¹¹ = 2070695096033 is a prime.

It is a super-2 number, since 2×2070695098081² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2070695098981) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 719496 + ... + 2158486.

Almost surely, 2^{2070695098081} is an apocalyptic number.

2070695098081 is the 1438991-st square number.

2070695098081 is the 719496-th centered octagonal number.

It is an amenable number.

2070695098081 is a deficient number, since it is larger than the sum of its proper divisors (1438992).

2070695098081 is an frugal number, since it uses more digits than its factorization.

2070695098081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2877982 (or 1438991 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 55.

The spelling of 2070695098081 in words is "two trillion, seventy billion, six hundred ninety-five million, ninety-eight thousand, eighty-one".