2140621504334 has 4 divisors (see below), whose sum is σ = 3210932256504. Its totient is φ = 1070310752166.

The previous prime is 2140621504309. The next prime is 2140621504337. The reversal of 2140621504334 is 4334051260412.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 2140621504294 and 2140621504303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2140621504337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 535155376082 + ... + 535155376085.

It is an arithmetic number, because the mean of its divisors is an integer number (802733064126).

Almost surely, 2^{2140621504334} is an apocalyptic number.

2140621504334 is a deficient number, since it is larger than the sum of its proper divisors (1070310752170).

2140621504334 is a wasteful number, since it uses less digits than its factorization.

2140621504334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1070310752169.

The product of its (nonzero) digits is 69120, while the sum is 35.

Adding to 2140621504334 its reverse (4334051260412), we get a palindrome (6474672764746).

The spelling of 2140621504334 in words is "two trillion, one hundred forty billion, six hundred twenty-one million, five hundred four thousand, three hundred thirty-four".