2102540155433 has 2 divisors, whose sum is σ = 2102540155434. Its totient is φ = 2102540155432.

The previous prime is 2102540155327. The next prime is 2102540155447. The reversal of 2102540155433 is 3345510452012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1385957589289 + 716582566144 = 1177267^2 + 846512^2 .

It is a cyclic number.

It is not a de Polignac number, because 2102540155433 - 2¹⁰ = 2102540154409 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2102540155393 and 2102540155402.

It is not a weakly prime, because it can be changed into another prime (2102540155453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051270077716 + 1051270077717.

It is an arithmetic number, because the mean of its divisors is an integer number (1051270077717).

Almost surely, 2^{2102540155433} is an apocalyptic number.

It is an amenable number.

2102540155433 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102540155433 is an equidigital number, since it uses as much as digits as its factorization.

2102540155433 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72000, while the sum is 35.

The spelling of 2102540155433 in words is "two trillion, one hundred two billion, five hundred forty million, one hundred fifty-five thousand, four hundred thirty-three".