2602401851 has 4 divisors (see below), whose sum is σ = 2974173552. Its totient is φ = 2230630152.

The previous prime is 2602401829. The next prime is 2602401881. The reversal of 2602401851 is 1581042062.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1581042062 = 2 ⋅790521031.

It is a cyclic number.

It is not a de Polignac number, because 2602401851 - 2⁶ = 2602401787 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2602401821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185885840 + ... + 185885853.

It is an arithmetic number, because the mean of its divisors is an integer number (743543388).

Almost surely, 2^2602401851 is an apocalyptic number.

2602401851 is a deficient number, since it is larger than the sum of its proper divisors (371771701).

2602401851 is an equidigital number, since it uses as much as digits as its factorization.

2602401851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371771700.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 2602401851 is about 51013.7417859149. The cubic root of 2602401851 is about 1375.4921611835.

The spelling of 2602401851 in words is "two billion, six hundred two million, four hundred one thousand, eight hundred fifty-one".