21741741350 has 48 divisors (see below), whose sum is σ = 46230204768. Its totient is φ = 7452138240.

The previous prime is 21741741317. The next prime is 21741741377. The reversal of 21741741350 is 5314714712.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 21741741350.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1602194 + ... + 1615706.

It is an arithmetic number, because the mean of its divisors is an integer number (963129266).

Almost surely, 2^21741741350 is an apocalyptic number.

21741741350 is an abundant number, since it is smaller than the sum of its proper divisors (24488463418).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21741741350 is a wasteful number, since it uses less digits than its factorization.

21741741350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18129 (or 18124 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 35.

The spelling of 21741741350 in words is "twenty-one billion, seven hundred forty-one million, seven hundred forty-one thousand, three hundred fifty".