2620743453 has 24 divisors (see below), whose sum is σ = 3869169408. Its totient is φ = 1708614432.

The previous prime is 2620743451. The next prime is 2620743457. The reversal of 2620743453 is 3543470262.

It is not a de Polignac number, because 2620743453 - 2¹ = 2620743451 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2620743451) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1023651 + ... + 1026207.

It is an arithmetic number, because the mean of its divisors is an integer number (161215392).

Almost surely, 2^2620743453 is an apocalyptic number.

It is an amenable number.

2620743453 is a deficient number, since it is larger than the sum of its proper divisors (1248425955).

2620743453 is a wasteful number, since it uses less digits than its factorization.

2620743453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5033 (or 5030 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 36.

The square root of 2620743453 is about 51193.1973312861. The cubic root of 2620743453 is about 1378.7160663702.

The spelling of 2620743453 in words is "two billion, six hundred twenty million, seven hundred forty-three thousand, four hundred fifty-three".