690275837501 has 2 divisors, whose sum is σ = 690275837502. Its totient is φ = 690275837500.

The previous prime is 690275837473. The next prime is 690275837591. The reversal of 690275837501 is 105738572096.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 576756708025 + 113519129476 = 759445^2 + 336926^2 .

It is a cyclic number.

It is not a de Polignac number, because 690275837501 - 2³⁸ = 415397930557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (690275837591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 345137918750 + 345137918751.

It is an arithmetic number, because the mean of its divisors is an integer number (345137918751).

Almost surely, 2^690275837501 is an apocalyptic number.

It is an amenable number.

690275837501 is a deficient number, since it is larger than the sum of its proper divisors (1).

690275837501 is an equidigital number, since it uses as much as digits as its factorization.

690275837501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3175200, while the sum is 53.

The spelling of 690275837501 in words is "six hundred ninety billion, two hundred seventy-five million, eight hundred thirty-seven thousand, five hundred one".