10438045477 has 2 divisors, whose sum is σ = 10438045478. Its totient is φ = 10438045476.

The previous prime is 10438045451. The next prime is 10438045511. The reversal of 10438045477 is 77454083401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10405224036 + 32821441 = 102006^2 + 5729^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10438045477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10438043477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5219022738 + 5219022739.

It is an arithmetic number, because the mean of its divisors is an integer number (5219022739).

Almost surely, 2^10438045477 is an apocalyptic number.

It is an amenable number.

10438045477 is a deficient number, since it is larger than the sum of its proper divisors (1).

10438045477 is an equidigital number, since it uses as much as digits as its factorization.

10438045477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 376320, while the sum is 43.

The spelling of 10438045477 in words is "ten billion, four hundred thirty-eight million, forty-five thousand, four hundred seventy-seven".