6408820461 has 8 divisors (see below), whose sum is σ = 8839752480. Its totient is φ = 4125217712.

The previous prime is 6408820459. The next prime is 6408820469. The reversal of 6408820461 is 1640288046.

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

It is a cyclic number.

It is not a de Polignac number, because 6408820461 - 2¹ = 6408820459 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6408820469) 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, 36832215 + ... + 36832388.

It is an arithmetic number, because the mean of its divisors is an integer number (1104969060).

Almost surely, 2^6408820461 is an apocalyptic number.

It is an amenable number.

6408820461 is a deficient number, since it is larger than the sum of its proper divisors (2430932019).

6408820461 is a wasteful number, since it uses less digits than its factorization.

6408820461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73664635.

The product of its (nonzero) digits is 73728, while the sum is 39.

The square root of 6408820461 is about 80055.1089000571. The cubic root of 6408820461 is about 1857.4880784334.

The spelling of 6408820461 in words is "six billion, four hundred eight million, eight hundred twenty thousand, four hundred sixty-one".