1379733550 has 24 divisors (see below), whose sum is σ = 2763713736. Its totient is φ = 509439840.

The previous prime is 1379733491. The next prime is 1379733581. The reversal of 1379733550 is 553379731.

It is a junction number, because it is equal to n+sod(n) for n = 1379733497 and 1379733506.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1060684 + ... + 1061983.

It is an arithmetic number, because the mean of its divisors is an integer number (115154739).

Almost surely, 2^1379733550 is an apocalyptic number.

1379733550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1379733550 is an abundant number, since it is smaller than the sum of its proper divisors (1383980186).

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

1379733550 is a wasteful number, since it uses less digits than its factorization.

1379733550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2122692 (or 2122687 counting only the distinct ones).

The product of its (nonzero) digits is 297675, while the sum is 43.

The square root of 1379733550 is about 37144.7647724414. The cubic root of 1379733550 is about 1113.2646226933.

The spelling of 1379733550 in words is "one billion, three hundred seventy-nine million, seven hundred thirty-three thousand, five hundred fifty".