2961443377 has 2 divisors, whose sum is σ = 2961443378. Its totient is φ = 2961443376.

The previous prime is 2961443371. The next prime is 2961443389. The reversal of 2961443377 is 7733441692.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2419065856 + 542377521 = 49184^2 + 23289^2 .

It is a cyclic number.

It is not a de Polignac number, because 2961443377 - 2⁷ = 2961443249 is a prime.

It is not a weakly prime, because it can be changed into another prime (2961443371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1480721688 + 1480721689.

It is an arithmetic number, because the mean of its divisors is an integer number (1480721689).

Almost surely, 2^2961443377 is an apocalyptic number.

It is an amenable number.

2961443377 is a deficient number, since it is larger than the sum of its proper divisors (1).

2961443377 is an equidigital number, since it uses as much as digits as its factorization.

2961443377 is an evil number, because the sum of its binary digits is even.

The product of its digits is 762048, while the sum is 46.

The square root of 2961443377 is about 54419.1453166990. The cubic root of 2961443377 is about 1436.0442127135.

The spelling of 2961443377 in words is "two billion, nine hundred sixty-one million, four hundred forty-three thousand, three hundred seventy-seven".