690590537347 has 2 divisors, whose sum is σ = 690590537348. Its totient is φ = 690590537346.

The previous prime is 690590537339. The next prime is 690590537389. The reversal of 690590537347 is 743735095096.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 690590537347 - 2³ = 690590537339 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 690590537291 and 690590537300.

It is not a weakly prime, because it can be changed into another prime (690590535347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 345295268673 + 345295268674.

It is an arithmetic number, because the mean of its divisors is an integer number (345295268674).

Almost surely, 2^690590537347 is an apocalyptic number.

690590537347 is a deficient number, since it is larger than the sum of its proper divisors (1).

690590537347 is an equidigital number, since it uses as much as digits as its factorization.

690590537347 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21432600, while the sum is 58.

The spelling of 690590537347 in words is "six hundred ninety billion, five hundred ninety million, five hundred thirty-seven thousand, three hundred forty-seven".