10000020049 has 2 divisors, whose sum is σ = 10000020050. Its totient is φ = 10000020048.

The previous prime is 10000020029. The next prime is 10000020097. The reversal of 10000020049 is 94002000001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7433888400 + 2566131649 = 86220^2 + 50657^2 .

It is a cyclic number.

It is not a de Polignac number, because 10000020049 - 2¹⁵ = 9999987281 is a prime.

It is not a weakly prime, because it can be changed into another prime (10000020029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5000010024 + 5000010025.

It is an arithmetic number, because the mean of its divisors is an integer number (5000010025).

Almost surely, 2^10000020049 is an apocalyptic number.

It is an amenable number.

10000020049 is a deficient number, since it is larger than the sum of its proper divisors (1).

10000020049 is an equidigital number, since it uses as much as digits as its factorization.

10000020049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 16.

The spelling of 10000020049 in words is "ten billion, twenty thousand, forty-nine".