2629745458081 has 16 divisors (see below), whose sum is σ = 3202819375104. Its totient is φ = 2110190878224.

The previous prime is 2629745458079. The next prime is 2629745458139. The reversal of 2629745458081 is 1808545479262.

It is not a de Polignac number, because 2629745458081 - 2¹ = 2629745458079 is a prime.

It is a super-2 number, since 2×2629745458081² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2629745458051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 173756505 + ... + 173771638.

It is an arithmetic number, because the mean of its divisors is an integer number (200176210944).

Almost surely, 2^{2629745458081} is an apocalyptic number.

It is an amenable number.

2629745458081 is a deficient number, since it is larger than the sum of its proper divisors (573073917023).

2629745458081 is a wasteful number, since it uses less digits than its factorization.

2629745458081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347528220.

The product of its (nonzero) digits is 38707200, while the sum is 61.

The spelling of 2629745458081 in words is "two trillion, six hundred twenty-nine billion, seven hundred forty-five million, four hundred fifty-eight thousand, eighty-one".