621013361451 has 8 divisors (see below), whose sum is σ = 946306074624. Its totient is φ = 354864777960.

The previous prime is 621013361399. The next prime is 621013361453. The reversal of 621013361451 is 154163310126.

It is a happy number.

621013361451 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 621013361451 - 2⁷ = 621013361323 is a prime.

It is not an unprimeable number, because it can be changed into a prime (621013361453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14786032395 + ... + 14786032436.

It is an arithmetic number, because the mean of its divisors is an integer number (118288259328).

Almost surely, 2^621013361451 is an apocalyptic number.

621013361451 is a deficient number, since it is larger than the sum of its proper divisors (325292713173).

621013361451 is a wasteful number, since it uses less digits than its factorization.

621013361451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29572064841.

The product of its (nonzero) digits is 12960, while the sum is 33.

Adding to 621013361451 its reverse (154163310126), we get a palindrome (775176671577).

The spelling of 621013361451 in words is "six hundred twenty-one billion, thirteen million, three hundred sixty-one thousand, four hundred fifty-one".