456356390093 has 4 divisors (see below), whose sum is σ = 468690346620. Its totient is φ = 444022433568.

The previous prime is 456356390003. The next prime is 456356390107. The reversal of 456356390093 is 390093653654.

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 298336624804 + 158019765289 = 546202^2 + 397517^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-456356390093 is a prime.

It is a super-2 number, since 2×456356390093² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (456356390003) 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, 6166978208 + ... + 6166978281.

It is an arithmetic number, because the mean of its divisors is an integer number (117172586655).

Almost surely, 2^456356390093 is an apocalyptic number.

It is an amenable number.

456356390093 is a deficient number, since it is larger than the sum of its proper divisors (12333956527).

456356390093 is a wasteful number, since it uses less digits than its factorization.

456356390093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12333956526.

The product of its (nonzero) digits is 7873200, while the sum is 53.

The spelling of 456356390093 in words is "four hundred fifty-six billion, three hundred fifty-six million, three hundred ninety thousand, ninety-three".