3400053921 has 16 divisors (see below), whose sum is σ = 5495037120. Its totient is φ = 2060638560.

The previous prime is 3400053919. The next prime is 3400053961. The reversal of 3400053921 is 1293500043.

It is not a de Polignac number, because 3400053921 - 2¹ = 3400053919 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3400053961) 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, 5723700 + ... + 5724293.

It is an arithmetic number, because the mean of its divisors is an integer number (343439820).

Almost surely, 2^3400053921 is an apocalyptic number.

It is an amenable number.

3400053921 is a deficient number, since it is larger than the sum of its proper divisors (2094983199).

3400053921 is a wasteful number, since it uses less digits than its factorization.

3400053921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11448013 (or 11448007 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 3400053921 is about 58309.9813153803. The cubic root of 3400053921 is about 1503.7025452528.

Adding to 3400053921 its reverse (1293500043), we get a palindrome (4693553964).

The spelling of 3400053921 in words is "three billion, four hundred million, fifty-three thousand, nine hundred twenty-one".