52001542469 has 2 divisors, whose sum is σ = 52001542470. Its totient is φ = 52001542468.

The previous prime is 52001542451. The next prime is 52001542517. The reversal of 52001542469 is 96424510025.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51966673444 + 34869025 = 227962^2 + 5905^2 .

It is a cyclic number.

It is not a de Polignac number, because 52001542469 - 2²⁴ = 51984765253 is a prime.

It is a super-2 number, since 2×52001542469² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52001542969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26000771234 + 26000771235.

It is an arithmetic number, because the mean of its divisors is an integer number (26000771235).

Almost surely, 2^52001542469 is an apocalyptic number.

It is an amenable number.

52001542469 is a deficient number, since it is larger than the sum of its proper divisors (1).

52001542469 is an equidigital number, since it uses as much as digits as its factorization.

52001542469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 86400, while the sum is 38.

The spelling of 52001542469 in words is "fifty-two billion, one million, five hundred forty-two thousand, four hundred sixty-nine".