2626226602605 has 24 divisors (see below), whose sum is σ = 4614484008888. Its totient is φ = 1381467142656.

The previous prime is 2626226602603. The next prime is 2626226602607. The reversal of 2626226602605 is 5062066226262.

It is an interprime number because it is at equal distance from previous prime (2626226602603) and next prime (2626226602607).

It can be written as a sum of positive squares in 4 ways, for example, as 446181129 + 2625780421476 = 21123^2 + 1620426^2 .

It is not a de Polignac number, because 2626226602605 - 2¹ = 2626226602603 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2626226602603) 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 23 ways as a sum of consecutive naturals, for example, 399726792 + ... + 399733361.

It is an arithmetic number, because the mean of its divisors is an integer number (192270167037).

Almost surely, 2^{2626226602605} is an apocalyptic number.

It is an amenable number.

2626226602605 is a deficient number, since it is larger than the sum of its proper divisors (1988257406283).

2626226602605 is a wasteful number, since it uses less digits than its factorization.

2626226602605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 799460237 (or 799460234 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 45.

The spelling of 2626226602605 in words is "two trillion, six hundred twenty-six billion, two hundred twenty-six million, six hundred two thousand, six hundred five".