612962813501 has 4 divisors (see below), whose sum is σ = 618387263292. Its totient is φ = 607538363712.

The previous prime is 612962813453. The next prime is 612962813539. The reversal of 612962813501 is 105318269216.

It is a happy number.

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 179276028100 + 433686785401 = 423410^2 + 658549^2 .

It is a cyclic number.

It is not a de Polignac number, because 612962813501 - 2²⁶ = 612895704637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612962813401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2712224726 + ... + 2712224951.

It is an arithmetic number, because the mean of its divisors is an integer number (154596815823).

Almost surely, 2^612962813501 is an apocalyptic number.

It is an amenable number.

612962813501 is a deficient number, since it is larger than the sum of its proper divisors (5424449791).

612962813501 is a wasteful number, since it uses less digits than its factorization.

612962813501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5424449790.

The product of its (nonzero) digits is 155520, while the sum is 44.

The spelling of 612962813501 in words is "six hundred twelve billion, nine hundred sixty-two million, eight hundred thirteen thousand, five hundred one".