612545321703 has 8 divisors (see below), whose sum is σ = 933402395008. Its totient is φ = 350025898104.

The previous prime is 612545321669. The next prime is 612545321737. The reversal of 612545321703 is 307123545216.

It is an interprime number because it is at equal distance from previous prime (612545321669) and next prime (612545321737).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 612545321703 - 2⁶ = 612545321639 is a prime.

It is a super-2 number, since 2×612545321703² (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 (612545321783) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14584412401 + ... + 14584412442.

It is an arithmetic number, because the mean of its divisors is an integer number (116675299376).

Almost surely, 2^612545321703 is an apocalyptic number.

612545321703 is a deficient number, since it is larger than the sum of its proper divisors (320857073305).

612545321703 is a wasteful number, since it uses less digits than its factorization.

612545321703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29168824853.

The product of its (nonzero) digits is 151200, while the sum is 39.

Adding to 612545321703 its reverse (307123545216), we get a palindrome (919668866919).

The spelling of 612545321703 in words is "six hundred twelve billion, five hundred forty-five million, three hundred twenty-one thousand, seven hundred three".