621130346435 has 16 divisors (see below), whose sum is σ = 786913888800. Its totient is φ = 469354507776.

The previous prime is 621130346387. The next prime is 621130346443. The reversal of 621130346435 is 534643031126.

It is a cyclic number.

It is not a de Polignac number, because 621130346435 - 2¹⁰ = 621130345411 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9668600 + ... + 9732629.

It is an arithmetic number, because the mean of its divisors is an integer number (49182118050).

Almost surely, 2^621130346435 is an apocalyptic number.

621130346435 is a deficient number, since it is larger than the sum of its proper divisors (165783542365).

621130346435 is a wasteful number, since it uses less digits than its factorization.

621130346435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19401590.

The product of its (nonzero) digits is 155520, while the sum is 38.

The spelling of 621130346435 in words is "six hundred twenty-one billion, one hundred thirty million, three hundred forty-six thousand, four hundred thirty-five".