621014053403 has 4 divisors (see below), whose sum is σ = 621121445328. Its totient is φ = 620906661480.

The previous prime is 621014053393. The next prime is 621014053411. The reversal of 621014053403 is 304350410126.

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

It is a cyclic number.

It is not a de Polignac number, because 621014053403 - 2⁸ = 621014053147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (621014053453) 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, 53687288 + ... + 53698853.

It is an arithmetic number, because the mean of its divisors is an integer number (155280361332).

Almost surely, 2^621014053403 is an apocalyptic number.

621014053403 is a deficient number, since it is larger than the sum of its proper divisors (107391925).

621014053403 is a wasteful number, since it uses less digits than its factorization.

621014053403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107391924.

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 621014053403 its reverse (304350410126), we get a palindrome (925364463529).

The spelling of 621014053403 in words is "six hundred twenty-one billion, fourteen million, fifty-three thousand, four hundred three".