2102754623647 has 2 divisors, whose sum is σ = 2102754623648. Its totient is φ = 2102754623646.

The previous prime is 2102754623623. The next prime is 2102754623663. The reversal of 2102754623647 is 7463264572012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2102754623647 - 2¹¹ = 2102754621599 is a prime.

It is a super-3 number, since 3×2102754623647³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 2102754623647.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2102754623447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051377311823 + 1051377311824.

It is an arithmetic number, because the mean of its divisors is an integer number (1051377311824).

Almost surely, 2^{2102754623647} is an apocalyptic number.

2102754623647 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102754623647 is an equidigital number, since it uses as much as digits as its factorization.

2102754623647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3386880, while the sum is 49.

The spelling of 2102754623647 in words is "two trillion, one hundred two billion, seven hundred fifty-four million, six hundred twenty-three thousand, six hundred forty-seven".