1389951013900 has 18 divisors (see below), whose sum is σ = 3016193700380. Its totient is φ = 555980405520.

The previous prime is 1389951013889. The next prime is 1389951013909. The reversal of 1389951013900 is 93101599831.

It is not an unprimeable number, because it can be changed into a prime (1389951013909) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6949754970 + ... + 6949755169.

Almost surely, 2^{1389951013900} is an apocalyptic number.

1389951013900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1389951013900 is an abundant number, since it is smaller than the sum of its proper divisors (1626242686480).

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

1389951013900 is a wasteful number, since it uses less digits than its factorization.

1389951013900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13899510153 (or 13899510146 counting only the distinct ones).

The product of its (nonzero) digits is 262440, while the sum is 49.

The spelling of 1389951013900 in words is "one trillion, three hundred eighty-nine billion, nine hundred fifty-one million, thirteen thousand, nine hundred".