945170895551 has 2 divisors, whose sum is σ = 945170895552. Its totient is φ = 945170895550.

The previous prime is 945170895527. The next prime is 945170895569. The reversal of 945170895551 is 155598071549.

945170895551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-945170895551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (945170895451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 472585447775 + 472585447776.

It is an arithmetic number, because the mean of its divisors is an integer number (472585447776).

Almost surely, 2^945170895551 is an apocalyptic number.

945170895551 is a deficient number, since it is larger than the sum of its proper divisors (1).

945170895551 is an equidigital number, since it uses as much as digits as its factorization.

945170895551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11340000, while the sum is 59.

The spelling of 945170895551 in words is "nine hundred forty-five billion, one hundred seventy million, eight hundred ninety-five thousand, five hundred fifty-one".