6461552551404 has 24 divisors (see below), whose sum is σ = 15164105992560. Its totient is φ = 2141400844864.

The previous prime is 6461552551403. The next prime is 6461552551453. The reversal of 6461552551404 is 4041552551646.

It is a happy number.

It is a super-2 number, since 2×6461552551404² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6461552551403) 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, 1556248539 + ... + 1556252690.

It is an arithmetic number, because the mean of its divisors is an integer number (631837749690).

Almost surely, 2^{6461552551404} is an apocalyptic number.

It is an amenable number.

6461552551404 is an abundant number, since it is smaller than the sum of its proper divisors (8702553441156).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6461552551404 is a wasteful number, since it uses less digits than its factorization.

6461552551404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3112501409 (or 3112501407 counting only the distinct ones).

The product of its (nonzero) digits is 2880000, while the sum is 48.

The spelling of 6461552551404 in words is "six trillion, four hundred sixty-one billion, five hundred fifty-two million, five hundred fifty-one thousand, four hundred four".