5421054869 has 2 divisors, whose sum is σ = 5421054870. Its totient is φ = 5421054868.

The previous prime is 5421054857. The next prime is 5421054887. The reversal of 5421054869 is 9684501245.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5319951844 + 101103025 = 72938^2 + 10055^2 .

It is a cyclic number.

It is not a de Polignac number, because 5421054869 - 2²⁴ = 5404277653 is a prime.

It is a super-2 number, since 2×5421054869² = 58775671785417214322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5421054829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2710527434 + 2710527435.

It is an arithmetic number, because the mean of its divisors is an integer number (2710527435).

Almost surely, 2^5421054869 is an apocalyptic number.

It is an amenable number.

5421054869 is a deficient number, since it is larger than the sum of its proper divisors (1).

5421054869 is an equidigital number, since it uses as much as digits as its factorization.

5421054869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 345600, while the sum is 44.

The square root of 5421054869 is about 73627.8131482934. The cubic root of 5421054869 is about 1756.6878639852.

The spelling of 5421054869 in words is "five billion, four hundred twenty-one million, fifty-four thousand, eight hundred sixty-nine".