360154742221 has 2 divisors, whose sum is σ = 360154742222. Its totient is φ = 360154742220.

The previous prime is 360154742191. The next prime is 360154742263. The reversal of 360154742221 is 122247451063.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 345878076996 + 14276665225 = 588114^2 + 119485^2 .

It is a cyclic number.

It is not a de Polignac number, because 360154742221 - 2¹¹ = 360154740173 is a prime.

It is a super-2 number, since 2×360154742221² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (360154742291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180077371110 + 180077371111.

It is an arithmetic number, because the mean of its divisors is an integer number (180077371111).

Almost surely, 2^360154742221 is an apocalyptic number.

It is an amenable number.

360154742221 is a deficient number, since it is larger than the sum of its proper divisors (1).

360154742221 is an equidigital number, since it uses as much as digits as its factorization.

360154742221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80640, while the sum is 37.

The spelling of 360154742221 in words is "three hundred sixty billion, one hundred fifty-four million, seven hundred forty-two thousand, two hundred twenty-one".