21700546948 has 24 divisors (see below), whose sum is σ = 38089721600. Its totient is φ = 10817800128.

The previous prime is 21700546919. The next prime is 21700546951. The reversal of 21700546948 is 84964500712.

It is a super-2 number, since 2×21700546948² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21700546898 and 21700546907.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5820661 + ... + 5824387.

Almost surely, 2^21700546948 is an apocalyptic number.

It is an amenable number.

21700546948 is a deficient number, since it is larger than the sum of its proper divisors (16389174652).

21700546948 is a wasteful number, since it uses less digits than its factorization.

21700546948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7699 (or 7697 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 46.

The spelling of 21700546948 in words is "twenty-one billion, seven hundred million, five hundred forty-six thousand, nine hundred forty-eight".