60909431551 has 2 divisors, whose sum is σ = 60909431552. Its totient is φ = 60909431550.

The previous prime is 60909431543. The next prime is 60909431581. The reversal of 60909431551 is 15513490906.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 60909431551 - 2³ = 60909431543 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 60909431498 and 60909431507.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60909431581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30454715775 + 30454715776.

It is an arithmetic number, because the mean of its divisors is an integer number (30454715776).

Almost surely, 2^60909431551 is an apocalyptic number.

60909431551 is a deficient number, since it is larger than the sum of its proper divisors (1).

60909431551 is an equidigital number, since it uses as much as digits as its factorization.

60909431551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145800, while the sum is 43.

The spelling of 60909431551 in words is "sixty billion, nine hundred nine million, four hundred thirty-one thousand, five hundred fifty-one".