4219398451 has 4 divisors (see below), whose sum is σ = 4219599712. Its totient is φ = 4219197192.

The previous prime is 4219398427. The next prime is 4219398479. The reversal of 4219398451 is 1548939124.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4219398451 - 2¹⁷ = 4219267379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4219390451) 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, 64971 + ... + 112516.

It is an arithmetic number, because the mean of its divisors is an integer number (1054899928).

Almost surely, 2^4219398451 is an apocalyptic number.

4219398451 is a deficient number, since it is larger than the sum of its proper divisors (201261).

4219398451 is a wasteful number, since it uses less digits than its factorization.

4219398451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201260.

The product of its digits is 311040, while the sum is 46.

The square root of 4219398451 is about 64956.8968701554. The cubic root of 4219398451 is about 1615.9088011539.

The spelling of 4219398451 in words is "four billion, two hundred nineteen million, three hundred ninety-eight thousand, four hundred fifty-one".