151722074993 has 4 divisors (see below), whose sum is σ = 151722899568. Its totient is φ = 151721250420.

The previous prime is 151722074983. The next prime is 151722075041. The reversal of 151722074993 is 399470227151.

It is a happy number.

151722074993 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 399470227151 = 29 ⋅13774835419.

It is a cyclic number.

It is not a de Polignac number, because 151722074993 - 2¹⁶ = 151722009457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151722074983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3458 + ... + 550868.

It is an arithmetic number, because the mean of its divisors is an integer number (37930724892).

Almost surely, 2^151722074993 is an apocalyptic number.

It is an amenable number.

151722074993 is a deficient number, since it is larger than the sum of its proper divisors (824575).

151722074993 is an equidigital number, since it uses as much as digits as its factorization.

151722074993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 824574.

The product of its (nonzero) digits is 952560, while the sum is 50.

The spelling of 151722074993 in words is "one hundred fifty-one billion, seven hundred twenty-two million, seventy-four thousand, nine hundred ninety-three".