142473355499 has 2 divisors, whose sum is σ = 142473355500. Its totient is φ = 142473355498.

The previous prime is 142473355439. The next prime is 142473355513. The reversal of 142473355499 is 994553374241.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142473355499 is a prime.

It is a super-3 number, since 3×142473355499³ (a number of 34 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (142473355439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71236677749 + 71236677750.

It is an arithmetic number, because the mean of its divisors is an integer number (71236677750).

Almost surely, 2^142473355499 is an apocalyptic number.

142473355499 is a deficient number, since it is larger than the sum of its proper divisors (1).

142473355499 is an equidigital number, since it uses as much as digits as its factorization.

142473355499 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16329600, while the sum is 56.

The spelling of 142473355499 in words is "one hundred forty-two billion, four hundred seventy-three million, three hundred fifty-five thousand, four hundred ninety-nine".