473726637251 has 4 divisors (see below), whose sum is σ = 541401871152. Its totient is φ = 406051403352.

The previous prime is 473726637227. The next prime is 473726637269. The reversal of 473726637251 is 152736627374.

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

It is not a de Polignac number, because 473726637251 - 2⁶ = 473726637187 is a prime.

It is a super-2 number, since 2×473726637251² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 473726637193 and 473726637202.

It is not an unprimeable number, because it can be changed into a prime (473726657251) 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, 33837616940 + ... + 33837616953.

It is an arithmetic number, because the mean of its divisors is an integer number (135350467788).

Almost surely, 2^473726637251 is an apocalyptic number.

473726637251 is a deficient number, since it is larger than the sum of its proper divisors (67675233901).

473726637251 is an equidigital number, since it uses as much as digits as its factorization.

473726637251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67675233900.

The product of its digits is 8890560, while the sum is 53.

The spelling of 473726637251 in words is "four hundred seventy-three billion, seven hundred twenty-six million, six hundred thirty-seven thousand, two hundred fifty-one".