356556740473 has 4 divisors (see below), whose sum is σ = 358048609920. Its totient is φ = 355064871028.

The previous prime is 356556740429. The next prime is 356556740489. The reversal of 356556740473 is 374047655653.

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 an emirpimes, since its reverse is a distinct semiprime: 374047655653 = 7 ⋅53435379379.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-356556740473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (356556749473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 745934365 + ... + 745934842.

It is an arithmetic number, because the mean of its divisors is an integer number (89512152480).

Almost surely, 2^356556740473 is an apocalyptic number.

It is an amenable number.

356556740473 is a deficient number, since it is larger than the sum of its proper divisors (1491869447).

356556740473 is a wasteful number, since it uses less digits than its factorization.

356556740473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1491869446.

The product of its (nonzero) digits is 31752000, while the sum is 55.

The spelling of 356556740473 in words is "three hundred fifty-six billion, five hundred fifty-six million, seven hundred forty thousand, four hundred seventy-three".