1938099053 has 16 divisors (see below), whose sum is σ = 2189569536. Its totient is φ = 1700165040.

The previous prime is 1938099041. The next prime is 1938099061. The reversal of 1938099053 is 3509908391.

It is a cyclic number.

It is not a de Polignac number, because 1938099053 - 2²⁰ = 1937050477 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1938098989 and 1938099007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1938099253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14576 + ... + 63942.

It is an arithmetic number, because the mean of its divisors is an integer number (136848096).

Almost surely, 2^1938099053 is an apocalyptic number.

It is an amenable number.

1938099053 is a deficient number, since it is larger than the sum of its proper divisors (251470483).

1938099053 is a wasteful number, since it uses less digits than its factorization.

1938099053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49504.

The product of its (nonzero) digits is 262440, while the sum is 47.

The square root of 1938099053 is about 44023.8464130521. The cubic root of 1938099053 is about 1246.7862089590.

The spelling of 1938099053 in words is "one billion, nine hundred thirty-eight million, ninety-nine thousand, fifty-three".