1385057998953 has 12 divisors (see below), whose sum is σ = 2010692798400. Its totient is φ = 918731937816.

The previous prime is 1385057998939. The next prime is 1385057998979. The reversal of 1385057998953 is 3598997505831.

1385057998953 is a `hidden beast` number, since 1 + 38 + 505 + 7 + 9 + 9 + 89 + 5 + 3 = 666.

It is not a de Polignac number, because 1385057998953 - 2⁵ = 1385057998921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1385057993953) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 386669901 + ... + 386673482.

It is an arithmetic number, because the mean of its divisors is an integer number (167557733200).

Almost surely, 2^{1385057998953} is an apocalyptic number.

It is an amenable number.

1385057998953 is a deficient number, since it is larger than the sum of its proper divisors (625634799447).

1385057998953 is a wasteful number, since it uses less digits than its factorization.

1385057998953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773343588 (or 773343585 counting only the distinct ones).

The product of its (nonzero) digits is 367416000, while the sum is 72.

The spelling of 1385057998953 in words is "one trillion, three hundred eighty-five billion, fifty-seven million, nine hundred ninety-eight thousand, nine hundred fifty-three".