2645756627458 has 32 divisors (see below), whose sum is σ = 4732910300160. Its totient is φ = 1084566492240.

The previous prime is 2645756627443. The next prime is 2645756627509. The reversal of 2645756627458 is 8547266575462.

It is a junction number, because it is equal to n+sod(n) for n = 2645756627393 and 2645756627402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14946513 + ... + 15122491.

It is an arithmetic number, because the mean of its divisors is an integer number (147903446880).

Almost surely, 2^{2645756627458} is an apocalyptic number.

2645756627458 is a deficient number, since it is larger than the sum of its proper divisors (2087153672702).

2645756627458 is a wasteful number, since it uses less digits than its factorization.

2645756627458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222702.

The product of its digits is 677376000, while the sum is 67.

The spelling of 2645756627458 in words is "two trillion, six hundred forty-five billion, seven hundred fifty-six million, six hundred twenty-seven thousand, four hundred fifty-eight".