1151400449 has 2 divisors, whose sum is σ = 1151400450. Its totient is φ = 1151400448.

The previous prime is 1151400433. The next prime is 1151400451. The reversal of 1151400449 is 9440041511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1122585025 + 28815424 = 33505^2 + 5368^2 .

It is an emirp because it is prime and its reverse (9440041511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1151400449 - 2⁴ = 1151400433 is a prime.

Together with 1151400451, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1151400469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 575700224 + 575700225.

It is an arithmetic number, because the mean of its divisors is an integer number (575700225).

Almost surely, 2^1151400449 is an apocalyptic number.

It is an amenable number.

1151400449 is a deficient number, since it is larger than the sum of its proper divisors (1).

1151400449 is an equidigital number, since it uses as much as digits as its factorization.

1151400449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 1151400449 is about 33932.2921271169. The cubic root of 1151400449 is about 1048.1146663887.

The spelling of 1151400449 in words is "one billion, one hundred fifty-one million, four hundred thousand, four hundred forty-nine".