1451616851 has 2 divisors, whose sum is σ = 1451616852. Its totient is φ = 1451616850.

The previous prime is 1451616839. The next prime is 1451616857. The reversal of 1451616851 is 1586161541.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1451616851 - 2⁶ = 1451616787 is a prime.

It is not a weakly prime, because it can be changed into another prime (1451616857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 725808425 + 725808426.

It is an arithmetic number, because the mean of its divisors is an integer number (725808426).

Almost surely, 2^1451616851 is an apocalyptic number.

1451616851 is a deficient number, since it is larger than the sum of its proper divisors (1).

1451616851 is an equidigital number, since it uses as much as digits as its factorization.

1451616851 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28800, while the sum is 38.

The square root of 1451616851 is about 38100.0899080304. The cubic root of 1451616851 is about 1132.2717373316.

The spelling of 1451616851 in words is "one billion, four hundred fifty-one million, six hundred sixteen thousand, eight hundred fifty-one".