6453555451 has 16 divisors (see below), whose sum is σ = 7580675520. Its totient is φ = 5379770880.

The previous prime is 6453555439. The next prime is 6453555463. The reversal of 6453555451 is 1545553546.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (6453555439) and next prime (6453555463).

It is a cyclic number.

It is not a de Polignac number, because 6453555451 - 2²⁵ = 6420001019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6453555398 and 6453555407.

It is not an unprimeable number, because it can be changed into a prime (6453555401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46906 + ... + 122911.

It is an arithmetic number, because the mean of its divisors is an integer number (473792220).

Almost surely, 2^6453555451 is an apocalyptic number.

6453555451 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

6453555451 is a deficient number, since it is larger than the sum of its proper divisors (1127120069).

6453555451 is a wasteful number, since it uses less digits than its factorization.

6453555451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169974.

The product of its digits is 900000, while the sum is 43.

The square root of 6453555451 is about 80334.0242425337. The cubic root of 6453555451 is about 1861.7999544152.

The spelling of 6453555451 in words is "six billion, four hundred fifty-three million, five hundred fifty-five thousand, four hundred fifty-one".