2687426626532 has 6 divisors (see below), whose sum is σ = 4702996596438. Its totient is φ = 1343713313264.

The previous prime is 2687426626453. The next prime is 2687426626541. The reversal of 2687426626532 is 2356266247862.

It can be written as a sum of positive squares in only one way, i.e., 1907006331136 + 780420295396 = 1380944^2 + 883414^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335928328313 + ... + 335928328320.

It is an arithmetic number, because the mean of its divisors is an integer number (783832766073).

Almost surely, 2^{2687426626532} is an apocalyptic number.

It is an amenable number.

2687426626532 is a deficient number, since it is larger than the sum of its proper divisors (2015569969906).

2687426626532 is a wasteful number, since it uses less digits than its factorization.

2687426626532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671856656637 (or 671856656635 counting only the distinct ones).

The product of its digits is 69672960, while the sum is 59.

The spelling of 2687426626532 in words is "two trillion, six hundred eighty-seven billion, four hundred twenty-six million, six hundred twenty-six thousand, five hundred thirty-two".