5401634321 has 4 divisors (see below), whose sum is σ = 5402171712. Its totient is φ = 5401096932.

The previous prime is 5401634311. The next prime is 5401634323. The reversal of 5401634321 is 1234361045.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1234361045 = 5 ⋅246872209.

It is a cyclic number.

It is not a de Polignac number, because 5401634321 - 2¹⁴ = 5401617937 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5401634323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 253325 + ... + 273818.

It is an arithmetic number, because the mean of its divisors is an integer number (1350542928).

Almost surely, 2^5401634321 is an apocalyptic number.

It is an amenable number.

5401634321 is a deficient number, since it is larger than the sum of its proper divisors (537391).

5401634321 is a wasteful number, since it uses less digits than its factorization.

5401634321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537390.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 5401634321 is about 73495.8115881443. The cubic root of 5401634321 is about 1754.5876170600.

Adding to 5401634321 its reverse (1234361045), we get a palindrome (6635995366).

The spelling of 5401634321 in words is "five billion, four hundred one million, six hundred thirty-four thousand, three hundred twenty-one".