3642552469 has 2 divisors, whose sum is σ = 3642552470. Its totient is φ = 3642552468.

The previous prime is 3642552451. The next prime is 3642552479. The reversal of 3642552469 is 9642552463.

3642552469 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2491307569 + 1151244900 = 49913^2 + 33930^2 .

It is a cyclic number.

It is not a de Polignac number, because 3642552469 - 2⁷ = 3642552341 is a prime.

It is a super-2 number, since 2×3642552469² = 26536376978835991922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3642552409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1821276234 + 1821276235.

It is an arithmetic number, because the mean of its divisors is an integer number (1821276235).

Almost surely, 2^3642552469 is an apocalyptic number.

It is an amenable number.

3642552469 is a deficient number, since it is larger than the sum of its proper divisors (1).

3642552469 is an equidigital number, since it uses as much as digits as its factorization.

3642552469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1555200, while the sum is 46.

The square root of 3642552469 is about 60353.5621898161. The cubic root of 3642552469 is about 1538.6338124002.

The spelling of 3642552469 in words is "three billion, six hundred forty-two million, five hundred fifty-two thousand, four hundred sixty-nine".