2402446639 has 2 divisors, whose sum is σ = 2402446640. Its totient is φ = 2402446638.

The previous prime is 2402446637. The next prime is 2402446661. The reversal of 2402446639 is 9366442042.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2402446639 - 2¹ = 2402446637 is a prime.

Together with 2402446637, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2402446637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1201223319 + 1201223320.

It is an arithmetic number, because the mean of its divisors is an integer number (1201223320).

Almost surely, 2^2402446639 is an apocalyptic number.

2402446639 is a deficient number, since it is larger than the sum of its proper divisors (1).

2402446639 is an equidigital number, since it uses as much as digits as its factorization.

2402446639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 248832, while the sum is 40.

The square root of 2402446639 is about 49014.7593995931. The cubic root of 2402446639 is about 1339.3207069742.

The spelling of 2402446639 in words is "two billion, four hundred two million, four hundred forty-six thousand, six hundred thirty-nine".