21735350376 has 16 divisors (see below), whose sum is σ = 54338376000. Its totient is φ = 7245116784.

The previous prime is 21735350339. The next prime is 21735350393. The reversal of 21735350376 is 67305353712.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 452819776 + ... + 452819823.

It is an arithmetic number, because the mean of its divisors is an integer number (3396148500).

Almost surely, 2^21735350376 is an apocalyptic number.

It is an amenable number.

21735350376 is an abundant number, since it is smaller than the sum of its proper divisors (32603025624).

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

21735350376 is a wasteful number, since it uses less digits than its factorization.

21735350376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 905639608 (or 905639604 counting only the distinct ones).

The product of its (nonzero) digits is 396900, while the sum is 42.

The spelling of 21735350376 in words is "twenty-one billion, seven hundred thirty-five million, three hundred fifty thousand, three hundred seventy-six".