62494400021 has 16 divisors (see below), whose sum is σ = 67404078720. Its totient is φ = 57800656320.

The previous prime is 62494399963. The next prime is 62494400039. The reversal of 62494400021 is 12000449426.

It is a cyclic number.

It is not a de Polignac number, because 62494400021 - 2¹⁸ = 62494137877 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 (62494400051) 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, 294710 + ... + 460263.

It is an arithmetic number, because the mean of its divisors is an integer number (4212754920).

Almost surely, 2^62494400021 is an apocalyptic number.

62494400021 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

It is an amenable number.

62494400021 is a deficient number, since it is larger than the sum of its proper divisors (4909678699).

62494400021 is a wasteful number, since it uses less digits than its factorization.

62494400021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 755116.

The product of its (nonzero) digits is 13824, while the sum is 32.

Adding to 62494400021 its reverse (12000449426), we get a palindrome (74494849447).

The spelling of 62494400021 in words is "sixty-two billion, four hundred ninety-four million, four hundred thousand, twenty-one".