190213943364 has 72 divisors (see below), whose sum is σ = 511686623448. Its totient is φ = 59372006400.

The previous prime is 190213943357. The next prime is 190213943369. The reversal of 190213943364 is 463349312091.

It is a happy number.

190213943364 is a `hidden beast` number, since 19 + 0 + 213 + 94 + 336 + 4 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 67517864964 + 122696078400 = 259842^2 + 350280^2 .

It is not an unprimeable number, because it can be changed into a prime (190213943369) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 668287 + ... + 909414.

It is an arithmetic number, because the mean of its divisors is an integer number (7106758659).

Almost surely, 2^190213943364 is an apocalyptic number.

It is an amenable number.

190213943364 is an abundant number, since it is smaller than the sum of its proper divisors (321472680084).

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

190213943364 is a wasteful number, since it uses less digits than its factorization.

190213943364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1577925 (or 1577920 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 45.

The spelling of 190213943364 in words is "one hundred ninety billion, two hundred thirteen million, nine hundred forty-three thousand, three hundred sixty-four".