1802257179345 has 48 divisors (see below), whose sum is σ = 3572549390592. Its totient is φ = 823343518080.

The previous prime is 1802257179311. The next prime is 1802257179367. The reversal of 1802257179345 is 5439717522081.

1802257179345 is a `hidden beast` number, since 1 + 8 + 0 + 22 + 571 + 7 + 9 + 3 + 45 = 666.

It is not a de Polignac number, because 1802257179345 - 2¹¹ = 1802257177297 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1802257179291 and 1802257179300.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1417302 + ... + 2369231.

It is an arithmetic number, because the mean of its divisors is an integer number (74428112304).

Almost surely, 2^{1802257179345} is an apocalyptic number.

1802257179345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1802257179345 is a deficient number, since it is larger than the sum of its proper divisors (1770292211247).

1802257179345 is a wasteful number, since it uses less digits than its factorization.

1802257179345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3788062 (or 3788059 counting only the distinct ones).

The product of its (nonzero) digits is 4233600, while the sum is 54.

The spelling of 1802257179345 in words is "one trillion, eight hundred two billion, two hundred fifty-seven million, one hundred seventy-nine thousand, three hundred forty-five".