4646278426 has 4 divisors (see below), whose sum is σ = 6969417642. Its totient is φ = 2323139212.

The previous prime is 4646278423. The next prime is 4646278433. The reversal of 4646278426 is 6248726464.

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

It can be written as a sum of positive squares in only one way, i.e., 3733332201 + 912946225 = 61101^2 + 30215^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4646278426.

It is not an unprimeable number, because it can be changed into a prime (4646278423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1161569605 + ... + 1161569608.

Almost surely, 2^4646278426 is an apocalyptic number.

4646278426 is a deficient number, since it is larger than the sum of its proper divisors (2323139216).

4646278426 is a wasteful number, since it uses less digits than its factorization.

4646278426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2323139215.

The product of its digits is 3096576, while the sum is 49.

The square root of 4646278426 is about 68163.6151183313. The cubic root of 4646278426 is about 1668.6621321481.

The spelling of 4646278426 in words is "four billion, six hundred forty-six million, two hundred seventy-eight thousand, four hundred twenty-six".