4951128451 has 4 divisors (see below), whose sum is σ = 5110842304. Its totient is φ = 4791414600.

The previous prime is 4951128439. The next prime is 4951128487. The reversal of 4951128451 is 1548211594.

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 4951128451 - 2²¹ = 4949031299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4951129451) 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, 79856880 + ... + 79856941.

It is an arithmetic number, because the mean of its divisors is an integer number (1277710576).

Almost surely, 2^4951128451 is an apocalyptic number.

4951128451 is a deficient number, since it is larger than the sum of its proper divisors (159713853).

4951128451 is a wasteful number, since it uses less digits than its factorization.

4951128451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159713852.

The product of its digits is 57600, while the sum is 40.

The square root of 4951128451 is about 70364.2554924018. The cubic root of 4951128451 is about 1704.3864174448.

The spelling of 4951128451 in words is "four billion, nine hundred fifty-one million, one hundred twenty-eight thousand, four hundred fifty-one".