6217745454 has 24 divisors (see below), whose sum is σ = 13906356672. Its totient is φ = 2005724160.

The previous prime is 6217745449. The next prime is 6217745477. The reversal of 6217745454 is 4545477126.

It is a super-2 number, since 2×6217745454² = 77320717061475332232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5570899 + ... + 5572014.

It is an arithmetic number, because the mean of its divisors is an integer number (579431528).

Almost surely, 2^6217745454 is an apocalyptic number.

6217745454 is an abundant number, since it is smaller than the sum of its proper divisors (7688611218).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6217745454 is a wasteful number, since it uses less digits than its factorization.

6217745454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11142952 (or 11142949 counting only the distinct ones).

The product of its digits is 940800, while the sum is 45.

The square root of 6217745454 is about 78852.6819708753. The cubic root of 6217745454 is about 1838.8415689904.

The spelling of 6217745454 in words is "six billion, two hundred seventeen million, seven hundred forty-five thousand, four hundred fifty-four".