2533554581438 has 16 divisors (see below), whose sum is σ = 3811781426976. Its totient is φ = 1262962060800.

The previous prime is 2533554581413. The next prime is 2533554581447. The reversal of 2533554581438 is 8341854553352.

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, 3650738 + ... + 4288938.

It is an arithmetic number, because the mean of its divisors is an integer number (238236339186).

Almost surely, 2^{2533554581438} is an apocalyptic number.

2533554581438 is a deficient number, since it is larger than the sum of its proper divisors (1278226845538).

2533554581438 is a wasteful number, since it uses less digits than its factorization.

2533554581438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644179.

The product of its digits is 34560000, while the sum is 56.

The spelling of 2533554581438 in words is "two trillion, five hundred thirty-three billion, five hundred fifty-four million, five hundred eighty-one thousand, four hundred thirty-eight".