4198690491 has 8 divisors (see below), whose sum is σ = 5599001424. Its totient is φ = 2798753280.

The previous prime is 4198690487. The next prime is 4198690513. The reversal of 4198690491 is 1940968914.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4198690491 - 2² = 4198690487 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4198690421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66070 + ... + 112971.

It is an arithmetic number, because the mean of its divisors is an integer number (699875178).

Almost surely, 2^4198690491 is an apocalyptic number.

4198690491 is a deficient number, since it is larger than the sum of its proper divisors (1400310933).

4198690491 is a wasteful number, since it uses less digits than its factorization.

4198690491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186861.

The product of its (nonzero) digits is 559872, while the sum is 51.

The square root of 4198690491 is about 64797.3031151760. The cubic root of 4198690491 is about 1613.2609461077.

The spelling of 4198690491 in words is "four billion, one hundred ninety-eight million, six hundred ninety thousand, four hundred ninety-one".