2377899421 has 2 divisors, whose sum is σ = 2377899422. Its totient is φ = 2377899420.

The previous prime is 2377899409. The next prime is 2377899437. The reversal of 2377899421 is 1249987732.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2182291225 + 195608196 = 46715^2 + 13986^2 .

It is a cyclic number.

It is not a de Polignac number, because 2377899421 - 2⁵ = 2377899389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2377899401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1188949710 + 1188949711.

It is an arithmetic number, because the mean of its divisors is an integer number (1188949711).

Almost surely, 2^2377899421 is an apocalyptic number.

It is an amenable number.

2377899421 is a deficient number, since it is larger than the sum of its proper divisors (1).

2377899421 is an equidigital number, since it uses as much as digits as its factorization.

2377899421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1524096, while the sum is 52.

The square root of 2377899421 is about 48763.7100823963. The cubic root of 2377899421 is about 1334.7435382920.

The spelling of 2377899421 in words is "two billion, three hundred seventy-seven million, eight hundred ninety-nine thousand, four hundred twenty-one".