537667432061 has 2 divisors, whose sum is σ = 537667432062. Its totient is φ = 537667432060.

The previous prime is 537667432039. The next prime is 537667432111. The reversal of 537667432061 is 160234766735.

It is an a-pointer prime, because the next prime (537667432111) can be obtained adding 537667432061 to its sum of digits (50).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 534170956900 + 3496475161 = 730870^2 + 59131^2 .

It is a cyclic number.

It is not a de Polignac number, because 537667432061 - 2¹⁸ = 537667169917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (537667482061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268833716030 + 268833716031.

It is an arithmetic number, because the mean of its divisors is an integer number (268833716031).

Almost surely, 2^537667432061 is an apocalyptic number.

It is an amenable number.

537667432061 is a deficient number, since it is larger than the sum of its proper divisors (1).

537667432061 is an equidigital number, since it uses as much as digits as its factorization.

537667432061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3810240, while the sum is 50.

The spelling of 537667432061 in words is "five hundred thirty-seven billion, six hundred sixty-seven million, four hundred thirty-two thousand, sixty-one".