4951121347 has 4 divisors (see below), whose sum is σ = 4951280056. Its totient is φ = 4950962640.

The previous prime is 4951121341. The next prime is 4951121359. The reversal of 4951121347 is 7431211594.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7431211594 = 2 ⋅3715605797.

It is a cyclic number.

It is not a de Polignac number, because 4951121347 - 2³ = 4951121339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4951121341) 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, 15354 + ... + 100687.

It is an arithmetic number, because the mean of its divisors is an integer number (1237820014).

Almost surely, 2^4951121347 is an apocalyptic number.

4951121347 is a deficient number, since it is larger than the sum of its proper divisors (158709).

4951121347 is a wasteful number, since it uses less digits than its factorization.

4951121347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158708.

The product of its digits is 30240, while the sum is 37.

The square root of 4951121347 is about 70364.2050122077. The cubic root of 4951121347 is about 1704.3856022794.

The spelling of 4951121347 in words is "four billion, nine hundred fifty-one million, one hundred twenty-one thousand, three hundred forty-seven".