6293720091 has 8 divisors (see below), whose sum is σ = 8618427664. Its totient is φ = 4082412960.

The previous prime is 6293720087. The next prime is 6293720143. The reversal of 6293720091 is 1900273926.

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

It is not a de Polignac number, because 6293720091 - 2² = 6293720087 is a prime.

It is a super-2 number, since 2×6293720091² = 79221825167714096562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6293720051) 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, 28349980 + ... + 28350201.

It is an arithmetic number, because the mean of its divisors is an integer number (1077303458).

Almost surely, 2^6293720091 is an apocalyptic number.

6293720091 is a deficient number, since it is larger than the sum of its proper divisors (2324707573).

6293720091 is a wasteful number, since it uses less digits than its factorization.

6293720091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56700221.

The product of its (nonzero) digits is 40824, while the sum is 39.

The square root of 6293720091 is about 79332.9697603714. The cubic root of 6293720091 is about 1846.3008714784.

It can be divided in two parts, 62937 and 20091, that added together give a triangular number (83028 = T₄₀₇).

The spelling of 6293720091 in words is "six billion, two hundred ninety-three million, seven hundred twenty thousand, ninety-one".