2995937821 has 2 divisors, whose sum is σ = 2995937822. Its totient is φ = 2995937820.

The previous prime is 2995937807. The next prime is 2995937827. The reversal of 2995937821 is 1287395992.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2846756025 + 149181796 = 53355^2 + 12214^2 .

It is a cyclic number.

It is not a de Polignac number, because 2995937821 - 2²¹ = 2993840669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2995937827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1497968910 + 1497968911.

It is an arithmetic number, because the mean of its divisors is an integer number (1497968911).

Almost surely, 2^2995937821 is an apocalyptic number.

It is an amenable number.

2995937821 is a deficient number, since it is larger than the sum of its proper divisors (1).

2995937821 is an equidigital number, since it uses as much as digits as its factorization.

2995937821 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2449440, while the sum is 55.

The square root of 2995937821 is about 54735.1607378657. The cubic root of 2995937821 is about 1441.5983122807.

The spelling of 2995937821 in words is "two billion, nine hundred ninety-five million, nine hundred thirty-seven thousand, eight hundred twenty-one".