1845313046929 has 9 divisors (see below), whose sum is σ = 2028335724219. Its totient is φ = 1677543731160.

The previous prime is 1845313046903. The next prime is 1845313046959. The reversal of 1845313046929 is 9296403135481.

The square root of 1845313046929 is 1358423.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 437416890625 + 1407896156304 = 661375^2 + 1186548^2 .

It is not a de Polignac number, because 1845313046929 - 2¹⁷ = 1845312915857 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1845313046929.

It is not an unprimeable number, because it can be changed into a prime (1845313046959) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 14880907 + ... + 15004399.

Almost surely, 2^{1845313046929} is an apocalyptic number.

1845313046929 is the 1358423-rd square number.

1845313046929 is the 679212-nd centered octagonal number.

It is an amenable number.

1845313046929 is a deficient number, since it is larger than the sum of its proper divisors (183022677290).

1845313046929 is an frugal number, since it uses more digits than its factorization.

1845313046929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247008 (or 123504 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 55.

The spelling of 1845313046929 in words is "one trillion, eight hundred forty-five billion, three hundred thirteen million, forty-six thousand, nine hundred twenty-nine".