801775372149 has 12 divisors (see below), whose sum is σ = 1161843844512. Its totient is φ = 532798209000.

The previous prime is 801775372109. The next prime is 801775372187. The reversal of 801775372149 is 941273577108.

801775372149 is a `hidden beast` number, since 80 + 1 + 7 + 7 + 537 + 21 + 4 + 9 = 666.

It is not a de Polignac number, because 801775372149 - 2¹⁶ = 801775306613 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 801775372095 and 801775372104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (801775372109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 143222527 + ... + 143228124.

It is an arithmetic number, because the mean of its divisors is an integer number (96820320376).

Almost surely, 2^801775372149 is an apocalyptic number.

It is an amenable number.

801775372149 is a deficient number, since it is larger than the sum of its proper divisors (360068472363).

801775372149 is a wasteful number, since it uses less digits than its factorization.

801775372149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286450968 (or 286450965 counting only the distinct ones).

The product of its (nonzero) digits is 2963520, while the sum is 54.

The spelling of 801775372149 in words is "eight hundred one billion, seven hundred seventy-five million, three hundred seventy-two thousand, one hundred forty-nine".