6453555461 has 4 divisors (see below), whose sum is σ = 6453721152. Its totient is φ = 6453389772.

The previous prime is 6453555439. The next prime is 6453555463. The reversal of 6453555461 is 1645553546.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6453555461 - 2¹⁴ = 6453539077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6453555463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11060 + ... + 114146.

It is an arithmetic number, because the mean of its divisors is an integer number (1613430288).

Almost surely, 2^6453555461 is an apocalyptic number.

It is an amenable number.

6453555461 is a deficient number, since it is larger than the sum of its proper divisors (165691).

6453555461 is a wasteful number, since it uses less digits than its factorization.

6453555461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165690.

The product of its digits is 1080000, while the sum is 44.

The square root of 6453555461 is about 80334.0243047739. The cubic root of 6453555461 is about 1861.7999553768.

The spelling of 6453555461 in words is "six billion, four hundred fifty-three million, five hundred fifty-five thousand, four hundred sixty-one".