190945513470 has 64 divisors (see below), whose sum is σ = 462063087360. Its totient is φ = 50498055168.

The previous prime is 190945513469. The next prime is 190945513519. The reversal of 190945513470 is 74315549091.

It is a super-2 number, since 2×190945513470² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3924814 + ... + 3973166.

It is an arithmetic number, because the mean of its divisors is an integer number (7219735740).

Almost surely, 2^190945513470 is an apocalyptic number.

190945513470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

190945513470 is an abundant number, since it is smaller than the sum of its proper divisors (271117573890).

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

190945513470 is a wasteful number, since it uses less digits than its factorization.

190945513470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49449.

The product of its (nonzero) digits is 680400, while the sum is 48.

The spelling of 190945513470 in words is "one hundred ninety billion, nine hundred forty-five million, five hundred thirteen thousand, four hundred seventy".