2078432451 has 6 divisors (see below), whose sum is σ = 3002180220. Its totient is φ = 1385621628.

The previous prime is 2078432423. The next prime is 2078432453. The reversal of 2078432451 is 1542348702.

It is a happy number.

2078432451 is a `hidden beast` number, since 207 + 84 + 324 + 51 = 666.

It is not a de Polignac number, because 2078432451 - 2⁶ = 2078432387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2078432453) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 115468461 + ... + 115468478.

It is an arithmetic number, because the mean of its divisors is an integer number (500363370).

Almost surely, 2^2078432451 is an apocalyptic number.

2078432451 is a deficient number, since it is larger than the sum of its proper divisors (923747769).

2078432451 is a wasteful number, since it uses less digits than its factorization.

2078432451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230936945 (or 230936942 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 2078432451 is about 45589.8283721270. The cubic root of 2078432451 is about 1276.1801096883.

It can be divided in two parts, 20784 and 32451, that added together give a palindrome (53235).

The spelling of 2078432451 in words is "two billion, seventy-eight million, four hundred thirty-two thousand, four hundred fifty-one".