1407476051491 has 2 divisors, whose sum is σ = 1407476051492. Its totient is φ = 1407476051490.

The previous prime is 1407476051483. The next prime is 1407476051507. The reversal of 1407476051491 is 1941506747041.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1407476051491 - 2³ = 1407476051483 is a prime.

It is not a weakly prime, because it can be changed into another prime (1407476051441) 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 as a sum of consecutive naturals, namely, 703738025745 + 703738025746.

It is an arithmetic number, because the mean of its divisors is an integer number (703738025746).

Almost surely, 2^{1407476051491} is an apocalyptic number.

1407476051491 is a deficient number, since it is larger than the sum of its proper divisors (1).

1407476051491 is an equidigital number, since it uses as much as digits as its factorization.

1407476051491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 846720, while the sum is 49.

The spelling of 1407476051491 in words is "one trillion, four hundred seven billion, four hundred seventy-six million, fifty-one thousand, four hundred ninety-one".