102342111449 has 2 divisors, whose sum is σ = 102342111450. Its totient is φ = 102342111448.

The previous prime is 102342111371. The next prime is 102342111463. The reversal of 102342111449 is 944111243201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 102315537424 + 26574025 = 319868^2 + 5155^2 .

It is a cyclic number.

It is not a de Polignac number, because 102342111449 - 2¹² = 102342107353 is a prime.

It is not a weakly prime, because it can be changed into another prime (102342111479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51171055724 + 51171055725.

It is an arithmetic number, because the mean of its divisors is an integer number (51171055725).

Almost surely, 2^102342111449 is an apocalyptic number.

It is an amenable number.

102342111449 is a deficient number, since it is larger than the sum of its proper divisors (1).

102342111449 is an equidigital number, since it uses as much as digits as its factorization.

102342111449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 32.

The spelling of 102342111449 in words is "one hundred two billion, three hundred forty-two million, one hundred eleven thousand, four hundred forty-nine".