10400776417 has 2 divisors, whose sum is σ = 10400776418. Its totient is φ = 10400776416.

The previous prime is 10400776411. The next prime is 10400776429. The reversal of 10400776417 is 71467700401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6184092321 + 4216684096 = 78639^2 + 64936^2 .

It is a cyclic number.

It is not a de Polignac number, because 10400776417 - 2³¹ = 8253292769 is a prime.

It is not a weakly prime, because it can be changed into another prime (10400776411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5200388208 + 5200388209.

It is an arithmetic number, because the mean of its divisors is an integer number (5200388209).

Almost surely, 2^10400776417 is an apocalyptic number.

It is an amenable number.

10400776417 is a deficient number, since it is larger than the sum of its proper divisors (1).

10400776417 is an equidigital number, since it uses as much as digits as its factorization.

10400776417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32928, while the sum is 37.

The spelling of 10400776417 in words is "ten billion, four hundred million, seven hundred seventy-six thousand, four hundred seventeen".