4921297679 has 2 divisors, whose sum is σ = 4921297680. Its totient is φ = 4921297678.

The previous prime is 4921297663. The next prime is 4921297699. The reversal of 4921297679 is 9767921294.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4921297679 - 2⁴ = 4921297663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4921297699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2460648839 + 2460648840.

It is an arithmetic number, because the mean of its divisors is an integer number (2460648840).

Almost surely, 2^4921297679 is an apocalyptic number.

4921297679 is a deficient number, since it is larger than the sum of its proper divisors (1).

4921297679 is an equidigital number, since it uses as much as digits as its factorization.

4921297679 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3429216, while the sum is 56.

The square root of 4921297679 is about 70151.9613339499. The cubic root of 4921297679 is about 1700.9565181082.

The spelling of 4921297679 in words is "four billion, nine hundred twenty-one million, two hundred ninety-seven thousand, six hundred seventy-nine".