10102140534949 has 2 divisors, whose sum is σ = 10102140534950. Its totient is φ = 10102140534948.

The previous prime is 10102140534917. The next prime is 10102140535007. The reversal of 10102140534949 is 94943504120101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9507244557924 + 594895977025 = 3083382^2 + 771295^2 .

It is a cyclic number.

It is not a de Polignac number, because 10102140534949 - 2⁵ = 10102140534917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10102140534149) 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, 5051070267474 + 5051070267475.

It is an arithmetic number, because the mean of its divisors is an integer number (5051070267475).

Almost surely, 2^{10102140534949} is an apocalyptic number.

It is an amenable number.

10102140534949 is a deficient number, since it is larger than the sum of its proper divisors (1).

10102140534949 is an equidigital number, since it uses as much as digits as its factorization.

10102140534949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 155520, while the sum is 43.

The spelling of 10102140534949 in words is "ten trillion, one hundred two billion, one hundred forty million, five hundred thirty-four thousand, nine hundred forty-nine".