2590997864 has 32 divisors (see below), whose sum is σ = 5979227520. Its totient is φ = 1025009856.

The previous prime is 2590997807. The next prime is 2590997869. The reversal of 2590997864 is 4687990952.

It is not an unprimeable number, because it can be changed into a prime (2590997869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1778804 + ... + 1780259.

It is an arithmetic number, because the mean of its divisors is an integer number (186850860).

Almost surely, 2^2590997864 is an apocalyptic number.

It is an amenable number.

2590997864 is an abundant number, since it is smaller than the sum of its proper divisors (3388229656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2590997864 is a wasteful number, since it uses less digits than its factorization.

2590997864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3559089 (or 3559085 counting only the distinct ones).

The product of its (nonzero) digits is 9797760, while the sum is 59.

The square root of 2590997864 is about 50901.8453889444. The cubic root of 2590997864 is about 1373.4800374799.

The spelling of 2590997864 in words is "two billion, five hundred ninety million, nine hundred ninety-seven thousand, eight hundred sixty-four".