1900028574473 has 4 divisors (see below), whose sum is σ = 1946370734868. Its totient is φ = 1853686414080.

The previous prime is 1900028574469. The next prime is 1900028574481. The reversal of 1900028574473 is 3744758200091.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 653295543289 + 1246733031184 = 808267^2 + 1116572^2 .

It is a cyclic number.

It is not a de Polignac number, because 1900028574473 - 2² = 1900028574469 is a prime.

It is a super-2 number, since 2×1900028574473² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1900028574463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23171080136 + ... + 23171080217.

It is an arithmetic number, because the mean of its divisors is an integer number (486592683717).

Almost surely, 2^{1900028574473} is an apocalyptic number.

It is an amenable number.

1900028574473 is a deficient number, since it is larger than the sum of its proper divisors (46342160395).

1900028574473 is an equidigital number, since it uses as much as digits as its factorization.

1900028574473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46342160394.

The product of its (nonzero) digits is 1693440, while the sum is 50.

The spelling of 1900028574473 in words is "one trillion, nine hundred billion, twenty-eight million, five hundred seventy-four thousand, four hundred seventy-three".