762142993 has 2 divisors, whose sum is σ = 762142994. Its totient is φ = 762142992.

The previous prime is 762142981. The next prime is 762143017. The reversal of 762142993 is 399241267.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 579027969 + 183115024 = 24063^2 + 13532^2 .

It is an emirp because it is prime and its reverse (399241267) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 762142993 - 2⁵ = 762142961 is a prime.

It is not a weakly prime, because it can be changed into another prime (762142393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 381071496 + 381071497.

It is an arithmetic number, because the mean of its divisors is an integer number (381071497).

Almost surely, 2^762142993 is an apocalyptic number.

It is an amenable number.

762142993 is a deficient number, since it is larger than the sum of its proper divisors (1).

762142993 is an equidigital number, since it uses as much as digits as its factorization.

762142993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 163296, while the sum is 43.

The square root of 762142993 is about 27606.9374071084. The cubic root of 762142993 is about 913.4374649803.

The spelling of 762142993 in words is "seven hundred sixty-two million, one hundred forty-two thousand, nine hundred ninety-three".