30138773386 has 16 divisors (see below), whose sum is σ = 45853516800. Its totient is φ = 14854347760.

The previous prime is 30138773383. The next prime is 30138773393. The reversal of 30138773386 is 68337783103.

It is a super-2 number, since 2×30138773386² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30138773383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 880215 + ... + 913813.

It is an arithmetic number, because the mean of its divisors is an integer number (2865844800).

Almost surely, 2^30138773386 is an apocalyptic number.

30138773386 is a deficient number, since it is larger than the sum of its proper divisors (15714743414).

30138773386 is a wasteful number, since it uses less digits than its factorization.

30138773386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39989.

The product of its (nonzero) digits is 1524096, while the sum is 49.

The spelling of 30138773386 in words is "thirty billion, one hundred thirty-eight million, seven hundred seventy-three thousand, three hundred eighty-six".