193348091490 has 32 divisors (see below), whose sum is σ = 466061791680. Its totient is φ = 51334338624.

The previous prime is 193348091477. The next prime is 193348091527. The reversal of 193348091490 is 94190843391.

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, 14065044 + ... + 14078783.

It is an arithmetic number, because the mean of its divisors is an integer number (14564430990).

Almost surely, 2^193348091490 is an apocalyptic number.

193348091490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

193348091490 is an abundant number, since it is smaller than the sum of its proper divisors (272713700190).

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

193348091490 is a wasteful number, since it uses less digits than its factorization.

193348091490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28144066.

The product of its (nonzero) digits is 839808, while the sum is 51.

The spelling of 193348091490 in words is "one hundred ninety-three billion, three hundred forty-eight million, ninety-one thousand, four hundred ninety".