5401998417 has 4 divisors (see below), whose sum is σ = 7202664560. Its totient is φ = 3601332276.

The previous prime is 5401998391. The next prime is 5401998443. The reversal of 5401998417 is 7148991045.

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 an interprime number because it is at equal distance from previous prime (5401998391) and next prime (5401998443).

It is not a de Polignac number, because 5401998417 - 2²⁸ = 5133562961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5401998817) 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, 900333067 + ... + 900333072.

It is an arithmetic number, because the mean of its divisors is an integer number (1800666140).

Almost surely, 2^5401998417 is an apocalyptic number.

It is an amenable number.

5401998417 is a deficient number, since it is larger than the sum of its proper divisors (1800666143).

5401998417 is a wasteful number, since it uses less digits than its factorization.

5401998417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1800666142.

The product of its (nonzero) digits is 362880, while the sum is 48.

The square root of 5401998417 is about 73498.2885310944. The cubic root of 5401998417 is about 1754.6270387080.

The spelling of 5401998417 in words is "five billion, four hundred one million, nine hundred ninety-eight thousand, four hundred seventeen".