2640454154083 has 8 divisors (see below), whose sum is σ = 2644162976160. Its totient is φ = 2636746432320.

The previous prime is 2640454154077. The next prime is 2640454154113. The reversal of 2640454154083 is 3804514540462.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2640454154083 is a prime.

It is a super-2 number, since 2×2640454154083² (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 (2640454154003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4587993 + ... + 5131333.

It is an arithmetic number, because the mean of its divisors is an integer number (330520372020).

Almost surely, 2^{2640454154083} is an apocalyptic number.

2640454154083 is a deficient number, since it is larger than the sum of its proper divisors (3708822077).

2640454154083 is an equidigital number, since it uses as much as digits as its factorization.

2640454154083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550157.

The product of its (nonzero) digits is 1843200, while the sum is 46.

The spelling of 2640454154083 in words is "two trillion, six hundred forty billion, four hundred fifty-four million, one hundred fifty-four thousand, eighty-three".