4722973961 has 2 divisors, whose sum is σ = 4722973962. Its totient is φ = 4722973960.

The previous prime is 4722973943. The next prime is 4722973979. The reversal of 4722973961 is 1693792274.

It is a balanced prime because it is at equal distance from previous prime (4722973943) and next prime (4722973979).

It can be written as a sum of positive squares in only one way, i.e., 3839041600 + 883932361 = 61960^2 + 29731^2 .

It is a cyclic number.

It is not a de Polignac number, because 4722973961 - 2²² = 4718779657 is a prime.

It is not a weakly prime, because it can be changed into another prime (4722973061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2361486980 + 2361486981.

It is an arithmetic number, because the mean of its divisors is an integer number (2361486981).

Almost surely, 2^4722973961 is an apocalyptic number.

It is an amenable number.

4722973961 is a deficient number, since it is larger than the sum of its proper divisors (1).

4722973961 is an equidigital number, since it uses as much as digits as its factorization.

4722973961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1143072, while the sum is 50.

The square root of 4722973961 is about 68723.8965789921. The cubic root of 4722973961 is about 1677.7935367776.

The spelling of 4722973961 in words is "four billion, seven hundred twenty-two million, nine hundred seventy-three thousand, nine hundred sixty-one".