340004003101421 has 4 divisors (see below), whose sum is σ = 340018748083200. Its totient is φ = 339989258119644.

The previous prime is 340004003101391. The next prime is 340004003101439. The reversal of 340004003101421 is 124101300400043.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 340004003101421 - 2²⁶ = 340003935992557 is a prime.

It is a super-2 number, since 2×340004003101421² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340004003101621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7372456301 + ... + 7372502418.

It is an arithmetic number, because the mean of its divisors is an integer number (85004687020800).

Almost surely, 2^{340004003101421} is an apocalyptic number.

It is an amenable number.

340004003101421 is a deficient number, since it is larger than the sum of its proper divisors (14744981779).

340004003101421 is a wasteful number, since it uses less digits than its factorization.

340004003101421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14744981778.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 340004003101421 its reverse (124101300400043), we get a palindrome (464105303501464).

The spelling of 340004003101421 in words is "three hundred forty trillion, four billion, three million, one hundred one thousand, four hundred twenty-one".