2801890327625 has 32 divisors (see below), whose sum is σ = 3534643625760. Its totient is φ = 2217305395200.

The previous prime is 2801890327619. The next prime is 2801890327633. The reversal of 2801890327625 is 5267230981082.

It can be written as a sum of positive squares in 16 ways, for example, as 2569121711104 + 232768616521 = 1602848^2 + 482461^2 .

It is not a de Polignac number, because 2801890327625 - 2³⁶ = 2733170850889 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6994769 + ... + 7384481.

It is an arithmetic number, because the mean of its divisors is an integer number (110457613305).

Almost surely, 2^{2801890327625} is an apocalyptic number.

2801890327625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2801890327625 is a deficient number, since it is larger than the sum of its proper divisors (732753298135).

2801890327625 is a wasteful number, since it uses less digits than its factorization.

2801890327625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390350 (or 390340 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 53.

The spelling of 2801890327625 in words is "two trillion, eight hundred one billion, eight hundred ninety million, three hundred twenty-seven thousand, six hundred twenty-five".