2620231403 has 16 divisors (see below), whose sum is σ = 2940053760. Its totient is φ = 2322969600.

The previous prime is 2620231381. The next prime is 2620231429. The reversal of 2620231403 is 3041320262.

It is not a de Polignac number, because 2620231403 - 2⁸ = 2620231147 is a prime.

It is a super-2 number, since 2×2620231403² = 13731225210534696818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2620231463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44603 + ... + 85028.

It is an arithmetic number, because the mean of its divisors is an integer number (183753360).

Almost surely, 2^2620231403 is an apocalyptic number.

2620231403 is a deficient number, since it is larger than the sum of its proper divisors (319822357).

2620231403 is a wasteful number, since it uses less digits than its factorization.

2620231403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129718.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 2620231403 is about 51188.1959342191. The cubic root of 2620231403 is about 1378.6262677364.

Adding to 2620231403 its reverse (3041320262), we get a palindrome (5661551665).

The spelling of 2620231403 in words is "two billion, six hundred twenty million, two hundred thirty-one thousand, four hundred three".