299016503421 has 8 divisors (see below), whose sum is σ = 398785152480. Its totient is φ = 199296094992.

The previous prime is 299016503399. The next prime is 299016503431. The reversal of 299016503421 is 124305610992.

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

It is not a de Polignac number, because 299016503421 - 2⁵ = 299016503389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (299016503431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12045691 + ... + 12070488.

It is an arithmetic number, because the mean of its divisors is an integer number (49848144060).

Almost surely, 2^299016503421 is an apocalyptic number.

It is an amenable number.

299016503421 is a deficient number, since it is larger than the sum of its proper divisors (99768649059).

299016503421 is a wasteful number, since it uses less digits than its factorization.

299016503421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24120315.

The product of its (nonzero) digits is 116640, while the sum is 42.

The spelling of 299016503421 in words is "two hundred ninety-nine billion, sixteen million, five hundred three thousand, four hundred twenty-one".