2535378861 has 64 divisors (see below), whose sum is σ = 3797611776. Its totient is φ = 1497600000.

The previous prime is 2535378817. The next prime is 2535378877. The reversal of 2535378861 is 1688735352.

It is not a de Polignac number, because 2535378861 - 2²⁹ = 1998507949 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2535378861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2535378361) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10100986 + ... + 10101236.

It is an arithmetic number, because the mean of its divisors is an integer number (59337684).

Almost surely, 2^2535378861 is an apocalyptic number.

It is an amenable number.

2535378861 is a deficient number, since it is larger than the sum of its proper divisors (1262232915).

2535378861 is a wasteful number, since it uses less digits than its factorization.

2535378861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462.

The product of its digits is 1209600, while the sum is 48.

The square root of 2535378861 is about 50352.5457251170. The cubic root of 2535378861 is about 1363.5810434111.

The spelling of 2535378861 in words is "two billion, five hundred thirty-five million, three hundred seventy-eight thousand, eight hundred sixty-one".