48820697909 has 2 divisors, whose sum is σ = 48820697910. Its totient is φ = 48820697908.

The previous prime is 48820697747. The next prime is 48820697983. The reversal of 48820697909 is 90979602884.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48798135409 + 22562500 = 220903^2 + 4750^2 .

It is a cyclic number.

It is not a de Polignac number, because 48820697909 - 2²⁸ = 48552262453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48820690909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24410348954 + 24410348955.

It is an arithmetic number, because the mean of its divisors is an integer number (24410348955).

Almost surely, 2^48820697909 is an apocalyptic number.

It is an amenable number.

48820697909 is a deficient number, since it is larger than the sum of its proper divisors (1).

48820697909 is an equidigital number, since it uses as much as digits as its factorization.

48820697909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15676416, while the sum is 62.

The spelling of 48820697909 in words is "forty-eight billion, eight hundred twenty million, six hundred ninety-seven thousand, nine hundred nine".