103040142649 has 2 divisors, whose sum is σ = 103040142650. Its totient is φ = 103040142648.

The previous prime is 103040142631. The next prime is 103040142661. The reversal of 103040142649 is 946241040301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100849434624 + 2190708025 = 317568^2 + 46805^2 .

It is an emirp because it is prime and its reverse (946241040301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 103040142649 - 2⁵ = 103040142617 is a prime.

It is not a weakly prime, because it can be changed into another prime (103040142629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51520071324 + 51520071325.

It is an arithmetic number, because the mean of its divisors is an integer number (51520071325).

Almost surely, 2^103040142649 is an apocalyptic number.

It is an amenable number.

103040142649 is a deficient number, since it is larger than the sum of its proper divisors (1).

103040142649 is an equidigital number, since it uses as much as digits as its factorization.

103040142649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 34.

The spelling of 103040142649 in words is "one hundred three billion, forty million, one hundred forty-two thousand, six hundred forty-nine".