2102769694149 has 4 divisors (see below), whose sum is σ = 2803692925536. Its totient is φ = 1401846462764.

The previous prime is 2102769694111. The next prime is 2102769694159. The reversal of 2102769694149 is 9414969672012.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2102769694149 - 2¹⁶ = 2102769628613 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2102769694092 and 2102769694101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102769694159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 350461615689 + ... + 350461615694.

It is an arithmetic number, because the mean of its divisors is an integer number (700923231384).

Almost surely, 2^{2102769694149} is an apocalyptic number.

It is an amenable number.

2102769694149 is a deficient number, since it is larger than the sum of its proper divisors (700923231387).

2102769694149 is an equidigital number, since it uses as much as digits as its factorization.

2102769694149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700923231386.

The product of its (nonzero) digits is 11757312, while the sum is 60.

The spelling of 2102769694149 in words is "two trillion, one hundred two billion, seven hundred sixty-nine million, six hundred ninety-four thousand, one hundred forty-nine".