5401637451 has 36 divisors (see below), whose sum is σ = 9161125272. Its totient is φ = 3057776064.

The previous prime is 5401637441. The next prime is 5401637453. The reversal of 5401637451 is 1547361045.

5401637451 is a `hidden beast` number, since 5 + 40 + 163 + 7 + 451 = 666.

It is not a de Polignac number, because 5401637451 - 2⁵ = 5401637419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5401637453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 10050 + ... + 104423.

It is an arithmetic number, because the mean of its divisors is an integer number (254475702).

Almost surely, 2^5401637451 is an apocalyptic number.

5401637451 is a deficient number, since it is larger than the sum of its proper divisors (3759487821).

5401637451 is a wasteful number, since it uses less digits than its factorization.

5401637451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114600 (or 114590 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 5401637451 is about 73495.8328818716. The cubic root of 5401637451 is about 1754.5879559610.

Adding to 5401637451 its reverse (1547361045), we get a palindrome (6948998496).

The spelling of 5401637451 in words is "five billion, four hundred one million, six hundred thirty-seven thousand, four hundred fifty-one".