1896741745 has 16 divisors (see below), whose sum is σ = 2315537280. Its totient is φ = 1491301504.

The previous prime is 1896741733. The next prime is 1896741757. The reversal of 1896741745 is 5471476981.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1896741733) and next prime (1896741757).

It is a cyclic number.

It is not a de Polignac number, because 1896741745 - 2¹¹ = 1896739697 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1896741692 and 1896741701.

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, 61554 + ... + 87076.

It is an arithmetic number, because the mean of its divisors is an integer number (144721080).

Almost surely, 2^1896741745 is an apocalyptic number.

It is an amenable number.

1896741745 is a deficient number, since it is larger than the sum of its proper divisors (418795535).

1896741745 is a wasteful number, since it uses less digits than its factorization.

1896741745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25784.

The product of its digits is 1693440, while the sum is 52.

The square root of 1896741745 is about 43551.5986503366. The cubic root of 1896741745 is about 1237.8539329774.

The spelling of 1896741745 in words is "one billion, eight hundred ninety-six million, seven hundred forty-one thousand, seven hundred forty-five".