1890537624245 has 16 divisors (see below), whose sum is σ = 2277139392000. Its totient is φ = 1506767875200.

The previous prime is 1890537624229. The next prime is 1890537624259. The reversal of 1890537624245 is 5424267350981.

It is not a de Polignac number, because 1890537624245 - 2⁴ = 1890537624229 is a prime.

It is a congruent number.

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, 44692505 + ... + 44734785.

It is an arithmetic number, because the mean of its divisors is an integer number (142321212000).

It is a 1-persistent number, because it is pandigital, but 2⋅1890537624245 = 3781075248490 is not.

Almost surely, 2^{1890537624245} is an apocalyptic number.

It is an amenable number.

1890537624245 is a deficient number, since it is larger than the sum of its proper divisors (386601767755).

1890537624245 is a wasteful number, since it uses less digits than its factorization.

1890537624245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75556.

The product of its (nonzero) digits is 14515200, while the sum is 56.

The spelling of 1890537624245 in words is "one trillion, eight hundred ninety billion, five hundred thirty-seven million, six hundred twenty-four thousand, two hundred forty-five".