5401386791 has 2 divisors, whose sum is σ = 5401386792. Its totient is φ = 5401386790.

The previous prime is 5401386743. The next prime is 5401386803. The reversal of 5401386791 is 1976831045.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5401386791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5401386701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2700693395 + 2700693396.

It is an arithmetic number, because the mean of its divisors is an integer number (2700693396).

Almost surely, 2^5401386791 is an apocalyptic number.

5401386791 is a deficient number, since it is larger than the sum of its proper divisors (1).

5401386791 is an equidigital number, since it uses as much as digits as its factorization.

5401386791 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 44.

The square root of 5401386791 is about 73494.1275953392. The cubic root of 5401386791 is about 1754.5608153132.

The spelling of 5401386791 in words is "five billion, four hundred one million, three hundred eighty-six thousand, seven hundred ninety-one".