2342639477 has 2 divisors, whose sum is σ = 2342639478. Its totient is φ = 2342639476.

The previous prime is 2342639437. The next prime is 2342639479. The reversal of 2342639477 is 7749362432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2138692516 + 203946961 = 46246^2 + 14281^2 .

It is a cyclic number.

It is not a de Polignac number, because 2342639477 - 2¹⁶ = 2342573941 is a prime.

Together with 2342639479, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2342639479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1171319738 + 1171319739.

It is an arithmetic number, because the mean of its divisors is an integer number (1171319739).

Almost surely, 2^2342639477 is an apocalyptic number.

It is an amenable number.

2342639477 is a deficient number, since it is larger than the sum of its proper divisors (1).

2342639477 is an equidigital number, since it uses as much as digits as its factorization.

2342639477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1524096, while the sum is 47.

The square root of 2342639477 is about 48400.8210364246. The cubic root of 2342639477 is about 1328.1133815727.

The spelling of 2342639477 in words is "two billion, three hundred forty-two million, six hundred thirty-nine thousand, four hundred seventy-seven".