30827372449 has 2 divisors, whose sum is σ = 30827372450. Its totient is φ = 30827372448.

The previous prime is 30827372431. The next prime is 30827372503. The reversal of 30827372449 is 94427372803.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17603982400 + 13223390049 = 132680^2 + 114993^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30827372449 is a prime.

It is not a weakly prime, because it can be changed into another prime (30827370449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15413686224 + 15413686225.

It is an arithmetic number, because the mean of its divisors is an integer number (15413686225).

Almost surely, 2^30827372449 is an apocalyptic number.

It is an amenable number.

30827372449 is a deficient number, since it is larger than the sum of its proper divisors (1).

30827372449 is an equidigital number, since it uses as much as digits as its factorization.

30827372449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2032128, while the sum is 49.

The spelling of 30827372449 in words is "thirty billion, eight hundred twenty-seven million, three hundred seventy-two thousand, four hundred forty-nine".