4613990368642 has 4 divisors (see below), whose sum is σ = 6920985552966. Its totient is φ = 2306995184320.

The previous prime is 4613990368639. The next prime is 4613990368699. The reversal of 4613990368642 is 2468630993164.

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., 4399166461561 + 214823907081 = 2097419^2 + 463491^2 .

It is a super-2 number, since 2×4613990368642² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1153497592159 + ... + 1153497592162.

Almost surely, 2^{4613990368642} is an apocalyptic number.

4613990368642 is a deficient number, since it is larger than the sum of its proper divisors (2306995184324).

4613990368642 is a wasteful number, since it uses less digits than its factorization.

4613990368642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2306995184323.

The product of its (nonzero) digits is 40310784, while the sum is 61.

The spelling of 4613990368642 in words is "four trillion, six hundred thirteen billion, nine hundred ninety million, three hundred sixty-eight thousand, six hundred forty-two".