445699549651 has 2 divisors, whose sum is σ = 445699549652. Its totient is φ = 445699549650.

The previous prime is 445699549621. The next prime is 445699549661. The reversal of 445699549651 is 156945996544.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 445699549651 - 2²⁷ = 445565331923 is a prime.

It is not a weakly prime, because it can be changed into another prime (445699549621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222849774825 + 222849774826.

It is an arithmetic number, because the mean of its divisors is an integer number (222849774826).

Almost surely, 2^445699549651 is an apocalyptic number.

445699549651 is a deficient number, since it is larger than the sum of its proper divisors (1).

445699549651 is an equidigital number, since it uses as much as digits as its factorization.

445699549651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 209952000, while the sum is 67.

The spelling of 445699549651 in words is "four hundred forty-five billion, six hundred ninety-nine million, five hundred forty-nine thousand, six hundred fifty-one".