54699412709 has 2 divisors, whose sum is σ = 54699412710. Its totient is φ = 54699412708.

The previous prime is 54699412693. The next prime is 54699412783. The reversal of 54699412709 is 90721499645.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42234360100 + 12465052609 = 205510^2 + 111647^2 .

It is a cyclic number.

It is not a de Polignac number, because 54699412709 - 2⁴ = 54699412693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54699412799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27349706354 + 27349706355.

It is an arithmetic number, because the mean of its divisors is an integer number (27349706355).

Almost surely, 2^54699412709 is an apocalyptic number.

It is an amenable number.

54699412709 is a deficient number, since it is larger than the sum of its proper divisors (1).

54699412709 is an equidigital number, since it uses as much as digits as its factorization.

54699412709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4898880, while the sum is 56.

The spelling of 54699412709 in words is "fifty-four billion, six hundred ninety-nine million, four hundred twelve thousand, seven hundred nine".