5451153949 has 2 divisors, whose sum is σ = 5451153950. Its totient is φ = 5451153948.

The previous prime is 5451153937. The next prime is 5451154001. The reversal of 5451153949 is 9493511545.

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., 4723125625 + 728028324 = 68725^2 + 26982^2 .

It is a cyclic number.

It is not a de Polignac number, because 5451153949 - 2⁷ = 5451153821 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5451153899 and 5451153908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5451153049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2725576974 + 2725576975.

It is an arithmetic number, because the mean of its divisors is an integer number (2725576975).

Almost surely, 2^5451153949 is an apocalyptic number.

It is an amenable number.

5451153949 is a deficient number, since it is larger than the sum of its proper divisors (1).

5451153949 is an equidigital number, since it uses as much as digits as its factorization.

5451153949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 486000, while the sum is 46.

The square root of 5451153949 is about 73831.9304163178. The cubic root of 5451153949 is about 1759.9330584258.

The spelling of 5451153949 in words is "five billion, four hundred fifty-one million, one hundred fifty-three thousand, nine hundred forty-nine".