2051014478 has 4 divisors (see below), whose sum is σ = 3076521720. Its totient is φ = 1025507238.

The previous prime is 2051014447. The next prime is 2051014481. The reversal of 2051014478 is 8744101502.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×2051014478² = 8413320777931224968, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 512753618 + ... + 512753621.

It is an arithmetic number, because the mean of its divisors is an integer number (769130430).

Almost surely, 2^2051014478 is an apocalyptic number.

2051014478 is a deficient number, since it is larger than the sum of its proper divisors (1025507242).

2051014478 is a wasteful number, since it uses less digits than its factorization.

2051014478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1025507241.

The product of its (nonzero) digits is 8960, while the sum is 32.

The square root of 2051014478 is about 45288.1273403968. The cubic root of 2051014478 is about 1270.5436071571.

The spelling of 2051014478 in words is "two billion, fifty-one million, fourteen thousand, four hundred seventy-eight".