2721964967 has 2 divisors, whose sum is σ = 2721964968. Its totient is φ = 2721964966.

The previous prime is 2721964907. The next prime is 2721964991. The reversal of 2721964967 is 7694691272.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2721964967 is a prime.

It is a super-2 number, since 2×2721964967² = 14818186563150622178, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2721964907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1360982483 + 1360982484.

It is an arithmetic number, because the mean of its divisors is an integer number (1360982484).

Almost surely, 2^2721964967 is an apocalyptic number.

2721964967 is a deficient number, since it is larger than the sum of its proper divisors (1).

2721964967 is an equidigital number, since it uses as much as digits as its factorization.

2721964967 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2286144, while the sum is 53.

The square root of 2721964967 is about 52172.4541017576. The cubic root of 2721964967 is about 1396.2424694049.

The spelling of 2721964967 in words is "two billion, seven hundred twenty-one million, nine hundred sixty-four thousand, nine hundred sixty-seven".