6406147858 has 8 divisors (see below), whose sum is σ = 10482787440. Its totient is φ = 2911885380.

The previous prime is 6406147829. The next prime is 6406147897. The reversal of 6406147858 is 8587416046.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145594248 + ... + 145594291.

It is an arithmetic number, because the mean of its divisors is an integer number (1310348430).

Almost surely, 2^6406147858 is an apocalyptic number.

6406147858 is a deficient number, since it is larger than the sum of its proper divisors (4076639582).

6406147858 is a wasteful number, since it uses less digits than its factorization.

6406147858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291188552.

The product of its (nonzero) digits is 1290240, while the sum is 49.

The square root of 6406147858 is about 80038.4148893517. The cubic root of 6406147858 is about 1857.2298396267.

The spelling of 6406147858 in words is "six billion, four hundred six million, one hundred forty-seven thousand, eight hundred fifty-eight".