1146321697 has 2 divisors, whose sum is σ = 1146321698. Its totient is φ = 1146321696.

The previous prime is 1146321677. The next prime is 1146321721. The reversal of 1146321697 is 7961236411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1016908321 + 129413376 = 31889^2 + 11376^2 .

It is an emirp because it is prime and its reverse (7961236411) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1146321697 is a prime.

It is not a weakly prime, because it can be changed into another prime (1146321637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 573160848 + 573160849.

It is an arithmetic number, because the mean of its divisors is an integer number (573160849).

Almost surely, 2^1146321697 is an apocalyptic number.

It is an amenable number.

1146321697 is a deficient number, since it is larger than the sum of its proper divisors (1).

1146321697 is an equidigital number, since it uses as much as digits as its factorization.

1146321697 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 40.

The square root of 1146321697 is about 33857.3728602796. The cubic root of 1146321697 is about 1046.5713399305.

The spelling of 1146321697 in words is "one billion, one hundred forty-six million, three hundred twenty-one thousand, six hundred ninety-seven".