2800553953 has 2 divisors, whose sum is σ = 2800553954. Its totient is φ = 2800553952.

The previous prime is 2800553947. The next prime is 2800553989. The reversal of 2800553953 is 3593550082.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1878095569 + 922458384 = 43337^2 + 30372^2 .

It is a cyclic number.

It is not a de Polignac number, because 2800553953 - 2²⁹ = 2263683041 is a prime.

It is not a weakly prime, because it can be changed into another prime (2800553993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1400276976 + 1400276977.

It is an arithmetic number, because the mean of its divisors is an integer number (1400276977).

Almost surely, 2^2800553953 is an apocalyptic number.

It is an amenable number.

2800553953 is a deficient number, since it is larger than the sum of its proper divisors (1).

2800553953 is an equidigital number, since it uses as much as digits as its factorization.

2800553953 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162000, while the sum is 40.

The square root of 2800553953 is about 52920.2603262682. The cubic root of 2800553953 is about 1409.5526896238.

The spelling of 2800553953 in words is "two billion, eight hundred million, five hundred fifty-three thousand, nine hundred fifty-three".