2945551798 has 24 divisors (see below), whose sum is σ = 5410200600. Its totient is φ = 1195937568.

The previous prime is 2945551789. The next prime is 2945551823. The reversal of 2945551798 is 8971555492.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 789103 + ... + 792826.

It is an arithmetic number, because the mean of its divisors is an integer number (225425025).

Almost surely, 2^2945551798 is an apocalyptic number.

2945551798 is a deficient number, since it is larger than the sum of its proper divisors (2464648802).

2945551798 is a wasteful number, since it uses less digits than its factorization.

2945551798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1581964 (or 1581957 counting only the distinct ones).

The product of its digits is 4536000, while the sum is 55.

The square root of 2945551798 is about 54272.9379893884. The cubic root of 2945551798 is about 1433.4709233101.

The spelling of 2945551798 in words is "two billion, nine hundred forty-five million, five hundred fifty-one thousand, seven hundred ninety-eight".