6370420091 has 32 divisors (see below), whose sum is σ = 7591034880. Its totient is φ = 5233456800.

The previous prime is 6370420079. The next prime is 6370420093. The reversal of 6370420091 is 1900240736.

It is a cyclic number.

It is not a de Polignac number, because 6370420091 - 2¹⁴ = 6370403707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6370420093) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3403886 + ... + 3405756.

It is an arithmetic number, because the mean of its divisors is an integer number (237219840).

Almost surely, 2^6370420091 is an apocalyptic number.

6370420091 is a deficient number, since it is larger than the sum of its proper divisors (1220614789).

6370420091 is a wasteful number, since it uses less digits than its factorization.

6370420091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2135.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 6370420091 is about 79814.9114576969. The cubic root of 6370420091 is about 1853.7707450314.

The spelling of 6370420091 in words is "six billion, three hundred seventy million, four hundred twenty thousand, ninety-one".