5420742169 has 2 divisors, whose sum is σ = 5420742170. Its totient is φ = 5420742168.

The previous prime is 5420742167. The next prime is 5420742191. The reversal of 5420742169 is 9612470245.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4859762944 + 560979225 = 69712^2 + 23685^2 .

It is a cyclic number.

It is not a de Polignac number, because 5420742169 - 2¹ = 5420742167 is a prime.

It is a super-2 number, since 2×5420742169² = 58768891325549649122, which contains 22 as substring.

Together with 5420742167, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (5420742167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2710371084 + 2710371085.

It is an arithmetic number, because the mean of its divisors is an integer number (2710371085).

Almost surely, 2^5420742169 is an apocalyptic number.

It is an amenable number.

5420742169 is a deficient number, since it is larger than the sum of its proper divisors (1).

5420742169 is an equidigital number, since it uses as much as digits as its factorization.

5420742169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 5420742169 is about 73625.6895994869. The cubic root of 5420742169 is about 1756.6540866195.

The spelling of 5420742169 in words is "five billion, four hundred twenty million, seven hundred forty-two thousand, one hundred sixty-nine".