1379773842 has 8 divisors (see below), whose sum is σ = 2759547696. Its totient is φ = 459924612.

The previous prime is 1379773819. The next prime is 1379773849. The reversal of 1379773842 is 2483779731.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

1379773842 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1379773849) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114981148 + ... + 114981159.

It is an arithmetic number, because the mean of its divisors is an integer number (344943462).

Almost surely, 2^1379773842 is an apocalyptic number.

1379773842 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1379773842 is a wasteful number, since it uses less digits than its factorization.

1379773842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229962312.

The product of its digits is 1778112, while the sum is 51.

The square root of 1379773842 is about 37145.3071329340. The cubic root of 1379773842 is about 1113.2754593802.

The spelling of 1379773842 in words is "one billion, three hundred seventy-nine million, seven hundred seventy-three thousand, eight hundred forty-two".