2742534621631 has 12 divisors (see below), whose sum is σ = 3190516996800. Its totient is φ = 2350580662080.

The previous prime is 2742534621611. The next prime is 2742534621641. The reversal of 2742534621631 is 1361264352472.

It is not a de Polignac number, because 2742534621631 - 2⁹ = 2742534621119 is a prime.

It is a super-2 number, since 2×2742534621631² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2742534621611) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1228815 + ... + 2644816.

It is an arithmetic number, because the mean of its divisors is an integer number (265876416400).

Almost surely, 2^{2742534621631} is an apocalyptic number.

2742534621631 is a deficient number, since it is larger than the sum of its proper divisors (447982375169).

2742534621631 is a wasteful number, since it uses less digits than its factorization.

2742534621631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3888094 (or 3888087 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 46.

The spelling of 2742534621631 in words is "two trillion, seven hundred forty-two billion, five hundred thirty-four million, six hundred twenty-one thousand, six hundred thirty-one".