83251606069501 has 2 divisors, whose sum is σ = 83251606069502. Its totient is φ = 83251606069500.

The previous prime is 83251606069493. The next prime is 83251606069537. The reversal of 83251606069501 is 10596060615238.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64701994500025 + 18549611569476 = 8043755^2 + 4306926^2 .

It is a cyclic number.

It is not a de Polignac number, because 83251606069501 - 2³ = 83251606069493 is a prime.

It is a super-4 number, since 4×83251606069501⁴ (a number of 57 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83251606069001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41625803034750 + 41625803034751.

It is an arithmetic number, because the mean of its divisors is an integer number (41625803034751).

Almost surely, 2^{83251606069501} is an apocalyptic number.

It is an amenable number.

83251606069501 is a deficient number, since it is larger than the sum of its proper divisors (1).

83251606069501 is an equidigital number, since it uses as much as digits as its factorization.

83251606069501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2332800, while the sum is 52.

The spelling of 83251606069501 in words is "eighty-three trillion, two hundred fifty-one billion, six hundred six million, sixty-nine thousand, five hundred one".