1388773839930 has 16 divisors (see below), whose sum is σ = 3333057215904. Its totient is φ = 370339690640.

The previous prime is 1388773839919. The next prime is 1388773839979. The reversal of 1388773839930 is 399383778831.

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, 23146230636 + ... + 23146230695.

It is an arithmetic number, because the mean of its divisors is an integer number (208316075994).

Almost surely, 2^{1388773839930} is an apocalyptic number.

1388773839930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1388773839930 is an abundant number, since it is smaller than the sum of its proper divisors (1944283375974).

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

1388773839930 is a wasteful number, since it uses less digits than its factorization.

1388773839930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46292461341.

The product of its (nonzero) digits is 164602368, while the sum is 69.

The spelling of 1388773839930 in words is "one trillion, three hundred eighty-eight billion, seven hundred seventy-three million, eight hundred thirty-nine thousand, nine hundred thirty".