684150276097 has 2 divisors, whose sum is σ = 684150276098. Its totient is φ = 684150276096.

The previous prime is 684150276031. The next prime is 684150276107. The reversal of 684150276097 is 790672051486.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 514205160561 + 169945115536 = 717081^2 + 412244^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-684150276097 is a prime.

It is not a weakly prime, because it can be changed into another prime (684150276697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 342075138048 + 342075138049.

It is an arithmetic number, because the mean of its divisors is an integer number (342075138049).

Almost surely, 2^684150276097 is an apocalyptic number.

It is an amenable number.

684150276097 is a deficient number, since it is larger than the sum of its proper divisors (1).

684150276097 is an equidigital number, since it uses as much as digits as its factorization.

684150276097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5080320, while the sum is 55.

The spelling of 684150276097 in words is "six hundred eighty-four billion, one hundred fifty million, two hundred seventy-six thousand, ninety-seven".