30706643190 has 32 divisors (see below), whose sum is σ = 73947486816. Its totient is φ = 8160488960.

The previous prime is 30706643171. The next prime is 30706643213. The reversal of 30706643190 is 9134660703.

It is a super-2 number, since 2×30706643190² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1737891 + ... + 1755470.

It is an arithmetic number, because the mean of its divisors is an integer number (2310858963).

Almost surely, 2^30706643190 is an apocalyptic number.

30706643190 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30706643190 is an abundant number, since it is smaller than the sum of its proper divisors (43240843626).

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

30706643190 is a wasteful number, since it uses less digits than its factorization.

30706643190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3493664.

The product of its (nonzero) digits is 81648, while the sum is 39.

The spelling of 30706643190 in words is "thirty billion, seven hundred six million, six hundred forty-three thousand, one hundred ninety".