10899761421 has 16 divisors (see below), whose sum is σ = 14789620800. Its totient is φ = 7138376448.

The previous prime is 10899761419. The next prime is 10899761437. The reversal of 10899761421 is 12416799801.

It is not a de Polignac number, because 10899761421 - 2¹ = 10899761419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10899761401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 242875 + ... + 284231.

It is an arithmetic number, because the mean of its divisors is an integer number (924351300).

Almost surely, 2^10899761421 is an apocalyptic number.

It is an amenable number.

10899761421 is a deficient number, since it is larger than the sum of its proper divisors (3889859379).

10899761421 is a wasteful number, since it uses less digits than its factorization.

10899761421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42908.

The product of its (nonzero) digits is 217728, while the sum is 48.

The spelling of 10899761421 in words is "ten billion, eight hundred ninety-nine million, seven hundred sixty-one thousand, four hundred twenty-one".