6401452336427 has 8 divisors (see below), whose sum is σ = 6537805996032. Its totient is φ = 6265105033000.

The previous prime is 6401452336417. The next prime is 6401452336463. The reversal of 6401452336427 is 7246332541046.

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 6401452336427 - 2²² = 6401448142123 is a prime.

It is a super-2 number, since 2×6401452336427² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6401452336417) 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, 474902 + ... + 3609492.

It is an arithmetic number, because the mean of its divisors is an integer number (817225749504).

Almost surely, 2^{6401452336427} is an apocalyptic number.

6401452336427 is a deficient number, since it is larger than the sum of its proper divisors (136353659605).

6401452336427 is a wasteful number, since it uses less digits than its factorization.

6401452336427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3178089.

The product of its (nonzero) digits is 2903040, while the sum is 47.

The spelling of 6401452336427 in words is "six trillion, four hundred one billion, four hundred fifty-two million, three hundred thirty-six thousand, four hundred twenty-seven".