21403199201469 has 16 divisors (see below), whose sum is σ = 28604922004224. Its totient is φ = 14235140505600.

The previous prime is 21403199201467. The next prime is 21403199201473. The reversal of 21403199201469 is 96410299130412.

It is a happy number.

It is not a de Polignac number, because 21403199201469 - 2¹ = 21403199201467 is a prime.

It is a super-2 number, since 2×21403199201469² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21403199201467) 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, 34449237 + ... + 35065029.

It is an arithmetic number, because the mean of its divisors is an integer number (1787807625264).

Almost surely, 2^{21403199201469} is an apocalyptic number.

It is an amenable number.

21403199201469 is a deficient number, since it is larger than the sum of its proper divisors (7201722802755).

21403199201469 is a wasteful number, since it uses less digits than its factorization.

21403199201469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643108.

The product of its (nonzero) digits is 839808, while the sum is 51.

The spelling of 21403199201469 in words is "twenty-one trillion, four hundred three billion, one hundred ninety-nine million, two hundred one thousand, four hundred sixty-nine".