6454745951 has 4 divisors (see below), whose sum is σ = 6479861952. Its totient is φ = 6429629952.

The previous prime is 6454745923. The next prime is 6454745971. The reversal of 6454745951 is 1595474546.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6454745951 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6454745951.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6454745971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12557615 + ... + 12558128.

It is an arithmetic number, because the mean of its divisors is an integer number (1619965488).

Almost surely, 2^6454745951 is an apocalyptic number.

6454745951 is a deficient number, since it is larger than the sum of its proper divisors (25116001).

6454745951 is a wasteful number, since it uses less digits than its factorization.

6454745951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25116000.

The product of its digits is 3024000, while the sum is 50.

The square root of 6454745951 is about 80341.4335881555. The cubic root of 6454745951 is about 1861.9144306696.

The spelling of 6454745951 in words is "six billion, four hundred fifty-four million, seven hundred forty-five thousand, nine hundred fifty-one".