321676963 has 2 divisors, whose sum is σ = 321676964. Its totient is φ = 321676962.

The previous prime is 321676951. The next prime is 321676967. The reversal of 321676963 is 369676123.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 321676963 - 2¹³ = 321668771 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (321676967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160838481 + 160838482.

It is an arithmetic number, because the mean of its divisors is an integer number (160838482).

Almost surely, 2^321676963 is an apocalyptic number.

321676963 is a deficient number, since it is larger than the sum of its proper divisors (1).

321676963 is an equidigital number, since it uses as much as digits as its factorization.

321676963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 244944, while the sum is 43.

The square root of 321676963 is about 17935.3551121800. The cubic root of 321676963 is about 685.1831169027.

The spelling of 321676963 in words is "three hundred twenty-one million, six hundred seventy-six thousand, nine hundred sixty-three".