34219938987 has 24 divisors (see below), whose sum is σ = 53239695600. Its totient is φ = 21054990528.

The previous prime is 34219938983. The next prime is 34219938997. The reversal of 34219938987 is 78983991243.

34219938987 is a `hidden beast` number, since 3 + 421 + 99 + 38 + 98 + 7 = 666.

It is not a de Polignac number, because 34219938987 - 2² = 34219938983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (34219938983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 825564 + ... + 866022.

It is an arithmetic number, because the mean of its divisors is an integer number (2218320650).

Almost surely, 2^34219938987 is an apocalyptic number.

34219938987 is a deficient number, since it is larger than the sum of its proper divisors (19019756613).

34219938987 is a wasteful number, since it uses less digits than its factorization.

34219938987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47707 (or 47704 counting only the distinct ones).

The product of its digits is 23514624, while the sum is 63.

The spelling of 34219938987 in words is "thirty-four billion, two hundred nineteen million, nine hundred thirty-eight thousand, nine hundred eighty-seven".