1651270400851 has 2 divisors, whose sum is σ = 1651270400852. Its totient is φ = 1651270400850.

The previous prime is 1651270400671. The next prime is 1651270400887. The reversal of 1651270400851 is 1580040721561.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1651270400851 - 2¹¹ = 1651270398803 is a prime.

It is not a weakly prime, because it can be changed into another prime (1651270400651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 825635200425 + 825635200426.

It is an arithmetic number, because the mean of its divisors is an integer number (825635200426).

Almost surely, 2^{1651270400851} is an apocalyptic number.

1651270400851 is a deficient number, since it is larger than the sum of its proper divisors (1).

1651270400851 is an equidigital number, since it uses as much as digits as its factorization.

1651270400851 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 67200, while the sum is 40.

The spelling of 1651270400851 in words is "one trillion, six hundred fifty-one billion, two hundred seventy million, four hundred thousand, eight hundred fifty-one".