21429264958 has 8 divisors (see below), whose sum is σ = 32153861880. Its totient is φ = 10711311000.

The previous prime is 21429264937. The next prime is 21429264971. The reversal of 21429264958 is 85946292412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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, 1652668 + ... + 1665583.

It is an arithmetic number, because the mean of its divisors is an integer number (4019232735).

Almost surely, 2^21429264958 is an apocalyptic number.

21429264958 is a deficient number, since it is larger than the sum of its proper divisors (10724596922).

21429264958 is a wasteful number, since it uses less digits than its factorization.

21429264958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3321482.

The product of its digits is 2488320, while the sum is 52.

The spelling of 21429264958 in words is "twenty-one billion, four hundred twenty-nine million, two hundred sixty-four thousand, nine hundred fifty-eight".