70397142773 has 2 divisors, whose sum is σ = 70397142774. Its totient is φ = 70397142772.

The previous prime is 70397142757. The next prime is 70397142779. The reversal of 70397142773 is 37724179307.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70292326129 + 104816644 = 265127^2 + 10238^2 .

It is a cyclic number.

It is not a de Polignac number, because 70397142773 - 2⁴ = 70397142757 is a prime.

It is a super-2 number, since 2×70397142773² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70397142779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35198571386 + 35198571387.

It is an arithmetic number, because the mean of its divisors is an integer number (35198571387).

Almost surely, 2^70397142773 is an apocalyptic number.

It is an amenable number.

70397142773 is a deficient number, since it is larger than the sum of its proper divisors (1).

70397142773 is an equidigital number, since it uses as much as digits as its factorization.

70397142773 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1555848, while the sum is 50.

The spelling of 70397142773 in words is "seventy billion, three hundred ninety-seven million, one hundred forty-two thousand, seven hundred seventy-three".