5154401909 has 4 divisors (see below), whose sum is σ = 5425686240. Its totient is φ = 4883117580.

The previous prime is 5154401897. The next prime is 5154401929. The reversal of 5154401909 is 9091044515.

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.

It is a cyclic number.

It is not a de Polignac number, because 5154401909 - 2⁸ = 5154401653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5154401929) 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, 135642137 + ... + 135642174.

It is an arithmetic number, because the mean of its divisors is an integer number (1356421560).

Almost surely, 2^5154401909 is an apocalyptic number.

It is an amenable number.

5154401909 is a deficient number, since it is larger than the sum of its proper divisors (271284331).

5154401909 is a wasteful number, since it uses less digits than its factorization.

5154401909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271284330.

The product of its (nonzero) digits is 32400, while the sum is 38.

The square root of 5154401909 is about 71794.1634744775. The cubic root of 5154401909 is about 1727.3993813682.

The spelling of 5154401909 in words is "five billion, one hundred fifty-four million, four hundred one thousand, nine hundred nine".