2379679549642 has 4 divisors (see below), whose sum is σ = 3569519324466. Its totient is φ = 1189839774820.

The previous prime is 2379679549633. The next prime is 2379679549669. The reversal of 2379679549642 is 2469459769732.

It is a happy number.

It is a Cunningham number, because it is equal to 1542621²+1.

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., 2379679549641 + 1 = 1542621^2 + 1^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 594919887409 + ... + 594919887412.

Almost surely, 2^{2379679549642} is an apocalyptic number.

2379679549642 is a deficient number, since it is larger than the sum of its proper divisors (1189839774824).

2379679549642 is a wasteful number, since it uses less digits than its factorization.

2379679549642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1189839774823.

The product of its digits is 1234517760, while the sum is 73.

The spelling of 2379679549642 in words is "two trillion, three hundred seventy-nine billion, six hundred seventy-nine million, five hundred forty-nine thousand, six hundred forty-two".