152920784473 has 4 divisors (see below), whose sum is σ = 154434851748. Its totient is φ = 151406717200.

The previous prime is 152920784431. The next prime is 152920784483. The reversal of 152920784473 is 374487029251.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 103409194329 + 49511590144 = 321573^2 + 222512^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-152920784473 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 152920784473.

It is not an unprimeable number, because it can be changed into a prime (152920784483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 757033486 + ... + 757033687.

It is an arithmetic number, because the mean of its divisors is an integer number (38608712937).

Almost surely, 2^152920784473 is an apocalyptic number.

It is an amenable number.

152920784473 is a deficient number, since it is larger than the sum of its proper divisors (1514067275).

152920784473 is a wasteful number, since it uses less digits than its factorization.

152920784473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1514067274.

The product of its (nonzero) digits is 3386880, while the sum is 52.

The spelling of 152920784473 in words is "one hundred fifty-two billion, nine hundred twenty million, seven hundred eighty-four thousand, four hundred seventy-three".