10401381787 has 2 divisors, whose sum is σ = 10401381788. Its totient is φ = 10401381786.

The previous prime is 10401381769. The next prime is 10401381797. The reversal of 10401381787 is 78718310401.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10401381787 - 2³¹ = 8253898139 is a prime.

It is not a weakly prime, because it can be changed into another prime (10401381737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5200690893 + 5200690894.

It is an arithmetic number, because the mean of its divisors is an integer number (5200690894).

Almost surely, 2^10401381787 is an apocalyptic number.

10401381787 is a deficient number, since it is larger than the sum of its proper divisors (1).

10401381787 is an equidigital number, since it uses as much as digits as its factorization.

10401381787 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37632, while the sum is 40.

The spelling of 10401381787 in words is "ten billion, four hundred one million, three hundred eighty-one thousand, seven hundred eighty-seven".