30143493690 has 32 divisors (see below), whose sum is σ = 72370414656. Its totient is φ = 8035372800.

The previous prime is 30143493671. The next prime is 30143493701. The reversal of 30143493690 is 9639434103.

It is a super-2 number, since 2×30143493690² (a number of 22 digits) contains 22 as substring.

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, 95332 + ... + 263391.

It is an arithmetic number, because the mean of its divisors is an integer number (2261575458).

Almost surely, 2^30143493690 is an apocalyptic number.

30143493690 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30143493690 is an abundant number, since it is smaller than the sum of its proper divisors (42226920966).

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

30143493690 is a wasteful number, since it uses less digits than its factorization.

30143493690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361534.

The product of its (nonzero) digits is 209952, while the sum is 42.

The spelling of 30143493690 in words is "thirty billion, one hundred forty-three million, four hundred ninety-three thousand, six hundred ninety".