18848538770 has 8 divisors (see below), whose sum is σ = 33927369804. Its totient is φ = 7539415504.

The previous prime is 18848538763. The next prime is 18848538833. The reversal of 18848538770 is 7783584881.

It can be written as a sum of positive squares in 2 ways, for example, as 15992384521 + 2856154249 = 126461^2 + 53443^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×18848538770² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 942426929 + ... + 942426948.

Almost surely, 2^18848538770 is an apocalyptic number.

18848538770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18848538770 is a deficient number, since it is larger than the sum of its proper divisors (15078831034).

18848538770 is a wasteful number, since it uses less digits than its factorization.

18848538770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1884853884.

The product of its (nonzero) digits is 12042240, while the sum is 59.

The spelling of 18848538770 in words is "eighteen billion, eight hundred forty-eight million, five hundred thirty-eight thousand, seven hundred seventy".