2340155741639 has 2 divisors, whose sum is σ = 2340155741640. Its totient is φ = 2340155741638.

The previous prime is 2340155741603. The next prime is 2340155741657. The reversal of 2340155741639 is 9361475510432.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2340155741639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2340155741689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1170077870819 + 1170077870820.

It is an arithmetic number, because the mean of its divisors is an integer number (1170077870820).

Almost surely, 2^{2340155741639} is an apocalyptic number.

2340155741639 is a deficient number, since it is larger than the sum of its proper divisors (1).

2340155741639 is an equidigital number, since it uses as much as digits as its factorization.

2340155741639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2721600, while the sum is 50.

The spelling of 2340155741639 in words is "two trillion, three hundred forty billion, one hundred fifty-five million, seven hundred forty-one thousand, six hundred thirty-nine".