14420040511621 has 4 divisors (see below), whose sum is σ = 14423697639712. Its totient is φ = 14416383383532.

The previous prime is 14420040511579. The next prime is 14420040511631. The reversal of 14420040511621 is 12611504002441.

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 14420040511621 - 2⁷ = 14420040511493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14420040511631) 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, 1828558131 + ... + 1828566016.

It is an arithmetic number, because the mean of its divisors is an integer number (3605924409928).

Almost surely, 2^{14420040511621} is an apocalyptic number.

It is an amenable number.

14420040511621 is a deficient number, since it is larger than the sum of its proper divisors (3657128091).

14420040511621 is an equidigital number, since it uses as much as digits as its factorization.

14420040511621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3657128090.

The product of its (nonzero) digits is 7680, while the sum is 31.

The spelling of 14420040511621 in words is "fourteen trillion, four hundred twenty billion, forty million, five hundred eleven thousand, six hundred twenty-one".