2679945746 has 4 divisors (see below), whose sum is σ = 4019918622. Its totient is φ = 1339972872.

The previous prime is 2679945743. The next prime is 2679945761. The reversal of 2679945746 is 6475499762.

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., 1603121521 + 1076824225 = 40039^2 + 32815^2 .

It is not an unprimeable number, because it can be changed into a prime (2679945743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 669986435 + ... + 669986438.

Almost surely, 2^2679945746 is an apocalyptic number.

2679945746 is a deficient number, since it is larger than the sum of its proper divisors (1339972876).

2679945746 is a wasteful number, since it uses less digits than its factorization.

2679945746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1339972875.

The product of its digits is 22861440, while the sum is 59.

The square root of 2679945746 is about 51768.1924158068. The cubic root of 2679945746 is about 1389.0205383556.

The spelling of 2679945746 in words is "two billion, six hundred seventy-nine million, nine hundred forty-five thousand, seven hundred forty-six".