2645038907554 has 16 divisors (see below), whose sum is σ = 4090283195328. Its totient is φ = 1281882992112.

The previous prime is 2645038907551. The next prime is 2645038907603. The reversal of 2645038907554 is 4557098305462.

It is not an unprimeable number, because it can be changed into a prime (2645038907551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67934472 + ... + 67973395.

It is an arithmetic number, because the mean of its divisors is an integer number (255642699708).

Almost surely, 2^{2645038907554} is an apocalyptic number.

2645038907554 is a deficient number, since it is larger than the sum of its proper divisors (1445244287774).

2645038907554 is a wasteful number, since it uses less digits than its factorization.

2645038907554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135908169.

The product of its (nonzero) digits is 36288000, while the sum is 58.

The spelling of 2645038907554 in words is "two trillion, six hundred forty-five billion, thirty-eight million, nine hundred seven thousand, five hundred fifty-four".