2621340734 has 4 divisors (see below), whose sum is σ = 3932011104. Its totient is φ = 1310670366.

The previous prime is 2621340731. The next prime is 2621340737. The reversal of 2621340734 is 4370431262.

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

It is an interprime number because it is at equal distance from previous prime (2621340731) and next prime (2621340737).

It is a self number, because there is not a number n which added to its sum of digits gives 2621340734.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2621340731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655335182 + ... + 655335185.

It is an arithmetic number, because the mean of its divisors is an integer number (983002776).

Almost surely, 2^2621340734 is an apocalyptic number.

2621340734 is a deficient number, since it is larger than the sum of its proper divisors (1310670370).

2621340734 is a wasteful number, since it uses less digits than its factorization.

2621340734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1310670369.

The product of its (nonzero) digits is 24192, while the sum is 32.

The square root of 2621340734 is about 51199.0305962916. The cubic root of 2621340734 is about 1378.8207972573.

Adding to 2621340734 its reverse (4370431262), we get a palindrome (6991771996).

The spelling of 2621340734 in words is "two billion, six hundred twenty-one million, three hundred forty thousand, seven hundred thirty-four".