3642546452437 has 2 divisors, whose sum is σ = 3642546452438. Its totient is φ = 3642546452436.

The previous prime is 3642546452417. The next prime is 3642546452483. The reversal of 3642546452437 is 7342546452463.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2895473188881 + 747073263556 = 1701609^2 + 864334^2 .

It is a cyclic number.

It is not a de Polignac number, because 3642546452437 - 2¹⁵ = 3642546419669 is a prime.

It is a super-2 number, since 2×3642546452437² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3642546452417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1821273226218 + 1821273226219.

It is an arithmetic number, because the mean of its divisors is an integer number (1821273226219).

Almost surely, 2^{3642546452437} is an apocalyptic number.

It is an amenable number.

3642546452437 is a deficient number, since it is larger than the sum of its proper divisors (1).

3642546452437 is an equidigital number, since it uses as much as digits as its factorization.

3642546452437 is an evil number, because the sum of its binary digits is even.

The product of its digits is 58060800, while the sum is 55.

The spelling of 3642546452437 in words is "three trillion, six hundred forty-two billion, five hundred forty-six million, four hundred fifty-two thousand, four hundred thirty-seven".