2573009816 has 32 divisors (see below), whose sum is σ = 5421396960. Its totient is φ = 1135909632.

The previous prime is 2573009809. The next prime is 2573009837. The reversal of 2573009816 is 6189003752.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 535445 + ... + 540228.

It is an arithmetic number, because the mean of its divisors is an integer number (169418655).

Almost surely, 2^2573009816 is an apocalyptic number.

2573009816 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2573009816 is an abundant number, since it is smaller than the sum of its proper divisors (2848387144).

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

2573009816 is a wasteful number, since it uses less digits than its factorization.

2573009816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1075715 (or 1075711 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 2573009816 is about 50724.8441693023. The cubic root of 2573009816 is about 1370.2941837211.

The spelling of 2573009816 in words is "two billion, five hundred seventy-three million, nine thousand, eight hundred sixteen".