102350949521 has 2 divisors, whose sum is σ = 102350949522. Its totient is φ = 102350949520.

The previous prime is 102350949433. The next prime is 102350949557. The reversal of 102350949521 is 125949053201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66946387600 + 35404561921 = 258740^2 + 188161^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102350949521 is a prime.

It is not a weakly prime, because it can be changed into another prime (102350940521) 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, 51175474760 + 51175474761.

It is an arithmetic number, because the mean of its divisors is an integer number (51175474761).

Almost surely, 2^102350949521 is an apocalyptic number.

It is an amenable number.

102350949521 is a deficient number, since it is larger than the sum of its proper divisors (1).

102350949521 is an equidigital number, since it uses as much as digits as its factorization.

102350949521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 97200, while the sum is 41.

The spelling of 102350949521 in words is "one hundred two billion, three hundred fifty million, nine hundred forty-nine thousand, five hundred twenty-one".