387698448969 has 24 divisors (see below), whose sum is σ = 629307631680. Its totient is φ = 228210456672.

The previous prime is 387698448967. The next prime is 387698448997. The reversal of 387698448969 is 969844896783.

387698448969 is a `hidden beast` number, since 3 + 8 + 76 + 9 + 8 + 4 + 489 + 69 = 666.

It is not a de Polignac number, because 387698448969 - 2¹ = 387698448967 is a prime.

It is a super-2 number, since 2×387698448969² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (387698448967) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 72033439 + ... + 72038820.

It is an arithmetic number, because the mean of its divisors is an integer number (26221151320).

Almost surely, 2^387698448969 is an apocalyptic number.

387698448969 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

It is an amenable number.

387698448969 is a deficient number, since it is larger than the sum of its proper divisors (241609182711).

387698448969 is a wasteful number, since it uses less digits than its factorization.

387698448969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144072301 (or 144072298 counting only the distinct ones).

The product of its digits is 4514807808, while the sum is 81.

The spelling of 387698448969 in words is "three hundred eighty-seven billion, six hundred ninety-eight million, four hundred forty-eight thousand, nine hundred sixty-nine".