2045495623751 has 4 divisors (see below), whose sum is σ = 2134430216112. Its totient is φ = 1956561031392.

The previous prime is 2045495623747. The next prime is 2045495623823. The reversal of 2045495623751 is 1573265945402.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2045495623751 - 2² = 2045495623747 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2045495623693 and 2045495623702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2045495623151) 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, 44467296146 + ... + 44467296191.

It is an arithmetic number, because the mean of its divisors is an integer number (533607554028).

Almost surely, 2^{2045495623751} is an apocalyptic number.

2045495623751 is a deficient number, since it is larger than the sum of its proper divisors (88934592361).

2045495623751 is an equidigital number, since it uses as much as digits as its factorization.

2045495623751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88934592360.

The product of its (nonzero) digits is 9072000, while the sum is 53.

The spelling of 2045495623751 in words is "two trillion, forty-five billion, four hundred ninety-five million, six hundred twenty-three thousand, seven hundred fifty-one".