6452454780987 has 4 divisors (see below), whose sum is σ = 8603273041320. Its totient is φ = 4301636520656.

The previous prime is 6452454780913. The next prime is 6452454780997. The reversal of 6452454780987 is 7890874542546.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6452454780987 - 2⁸ = 6452454780731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6452454780907) 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, 1075409130162 + ... + 1075409130167.

It is an arithmetic number, because the mean of its divisors is an integer number (2150818260330).

Almost surely, 2^{6452454780987} is an apocalyptic number.

6452454780987 is a deficient number, since it is larger than the sum of its proper divisors (2150818260333).

6452454780987 is a wasteful number, since it uses less digits than its factorization.

6452454780987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2150818260332.

The product of its (nonzero) digits is 541900800, while the sum is 69.

The spelling of 6452454780987 in words is "six trillion, four hundred fifty-two billion, four hundred fifty-four million, seven hundred eighty thousand, nine hundred eighty-seven".