4642006124645 has 8 divisors (see below), whose sum is σ = 5570854021656. Its totient is φ = 3713307118336.

The previous prime is 4642006124641. The next prime is 4642006124653. The reversal of 4642006124645 is 5464216002464.

It can be written as a sum of positive squares in 4 ways, for example, as 2418230264356 + 2223775860289 = 1555066^2 + 1491233^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 4642006124645 - 2² = 4642006124641 is a prime.

It is a super-2 number, since 2×4642006124645² (a number of 26 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 = 4642006124596 and 4642006124605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4642006124641) 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, 37154072 + ... + 37278801.

It is an arithmetic number, because the mean of its divisors is an integer number (696356752707).

Almost surely, 2^{4642006124645} is an apocalyptic number.

It is an amenable number.

4642006124645 is a deficient number, since it is larger than the sum of its proper divisors (928847897011).

4642006124645 is a wasteful number, since it uses less digits than its factorization.

4642006124645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74445351.

The product of its (nonzero) digits is 1105920, while the sum is 44.

The spelling of 4642006124645 in words is "four trillion, six hundred forty-two billion, six million, one hundred twenty-four thousand, six hundred forty-five".