6405513420455 has 16 divisors (see below), whose sum is σ = 7762958176608. Its totient is φ = 5073519120000.

The previous prime is 6405513420443. The next prime is 6405513420463. The reversal of 6405513420455 is 5540243155046.

It is not a de Polignac number, because 6405513420455 - 2⁶ = 6405513420391 is a prime.

It is a super-2 number, since 2×6405513420455² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18070625 + ... + 18421685.

It is an arithmetic number, because the mean of its divisors is an integer number (485184886038).

Almost surely, 2^{6405513420455} is an apocalyptic number.

6405513420455 is a deficient number, since it is larger than the sum of its proper divisors (1357444756153).

6405513420455 is a wasteful number, since it uses less digits than its factorization.

6405513420455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387298.

The product of its (nonzero) digits is 1440000, while the sum is 44.

The spelling of 6405513420455 in words is "six trillion, four hundred five billion, five hundred thirteen million, four hundred twenty thousand, four hundred fifty-five".