1051639804382 has 16 divisors (see below), whose sum is σ = 1598421980160. Its totient is φ = 518840764728.

The previous prime is 1051639804379. The next prime is 1051639804403. The reversal of 1051639804382 is 2834089361501.

It is a happy number.

It is a super-2 number, since 2×1051639804382² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1051639804382.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1817018 + ... + 2324829.

It is an arithmetic number, because the mean of its divisors is an integer number (99901373760).

Almost surely, 2^{1051639804382} is an apocalyptic number.

1051639804382 is a deficient number, since it is larger than the sum of its proper divisors (546782175778).

1051639804382 is a wasteful number, since it uses less digits than its factorization.

1051639804382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4143535.

The product of its (nonzero) digits is 1244160, while the sum is 50.

The spelling of 1051639804382 in words is "one trillion, fifty-one billion, six hundred thirty-nine million, eight hundred four thousand, three hundred eighty-two".