2045676831 has 16 divisors (see below), whose sum is σ = 3055951488. Its totient is φ = 1206295200.

The previous prime is 2045676821. The next prime is 2045676839. The reversal of 2045676831 is 1386765402.

It is not a de Polignac number, because 2045676831 - 2⁵ = 2045676799 is a prime.

It is a super-2 number, since 2×2045676831² = 8369587393780405122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2045676839) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 836485 + ... + 838926.

It is an arithmetic number, because the mean of its divisors is an integer number (190996968).

Almost surely, 2^2045676831 is an apocalyptic number.

2045676831 is a deficient number, since it is larger than the sum of its proper divisors (1010274657).

2045676831 is a wasteful number, since it uses less digits than its factorization.

2045676831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1675462.

The product of its (nonzero) digits is 241920, while the sum is 42.

The square root of 2045676831 is about 45229.1590790720. The cubic root of 2045676831 is about 1269.4404774828.

It can be divided in two parts, 2045 and 676831, that added together give a palindrome (678876).

The spelling of 2045676831 in words is "two billion, forty-five million, six hundred seventy-six thousand, eight hundred thirty-one".