621049061435 has 8 divisors (see below), whose sum is σ = 813009680496. Its totient is φ = 451672044640.

The previous prime is 621049061431. The next prime is 621049061473. The reversal of 621049061435 is 534160940126.

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

It is not a de Polignac number, because 621049061435 - 2² = 621049061431 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 621049061392 and 621049061401.

It is not an unprimeable number, because it can be changed into a prime (621049061431) 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, 5645900504 + ... + 5645900613.

It is an arithmetic number, because the mean of its divisors is an integer number (101626210062).

Almost surely, 2^621049061435 is an apocalyptic number.

621049061435 is a deficient number, since it is larger than the sum of its proper divisors (191960619061).

621049061435 is a wasteful number, since it uses less digits than its factorization.

621049061435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11291801133.

The product of its (nonzero) digits is 155520, while the sum is 41.

The spelling of 621049061435 in words is "six hundred twenty-one billion, forty-nine million, sixty-one thousand, four hundred thirty-five".