151893778273 has 2 divisors, whose sum is σ = 151893778274. Its totient is φ = 151893778272.

The previous prime is 151893778121. The next prime is 151893778301. The reversal of 151893778273 is 372877398151.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 134389694464 + 17504083809 = 366592^2 + 132303^2 .

It is an emirp because it is prime and its reverse (372877398151) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 151893778273 - 2¹³ = 151893770081 is a prime.

It is not a weakly prime, because it can be changed into another prime (151893778973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75946889136 + 75946889137.

It is an arithmetic number, because the mean of its divisors is an integer number (75946889137).

Almost surely, 2^151893778273 is an apocalyptic number.

It is an amenable number.

151893778273 is a deficient number, since it is larger than the sum of its proper divisors (1).

151893778273 is an equidigital number, since it uses as much as digits as its factorization.

151893778273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17781120, while the sum is 61.

The spelling of 151893778273 in words is "one hundred fifty-one billion, eight hundred ninety-three million, seven hundred seventy-eight thousand, two hundred seventy-three".