395379194537 has 2 divisors, whose sum is σ = 395379194538. Its totient is φ = 395379194536.

The previous prime is 395379194533. The next prime is 395379194627. The reversal of 395379194537 is 735491973593.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 213791565376 + 181587629161 = 462376^2 + 426131^2 .

It is a cyclic number.

It is not a de Polignac number, because 395379194537 - 2² = 395379194533 is a prime.

It is not a weakly prime, because it can be changed into another prime (395379194533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197689597268 + 197689597269.

It is an arithmetic number, because the mean of its divisors is an integer number (197689597269).

Almost surely, 2^395379194537 is an apocalyptic number.

It is an amenable number.

395379194537 is a deficient number, since it is larger than the sum of its proper divisors (1).

395379194537 is an equidigital number, since it uses as much as digits as its factorization.

395379194537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96446700, while the sum is 65.

The spelling of 395379194537 in words is "three hundred ninety-five billion, three hundred seventy-nine million, one hundred ninety-four thousand, five hundred thirty-seven".