2738742507855 has 24 divisors (see below), whose sum is σ = 4804348309488. Its totient is φ = 1443064323456.

The previous prime is 2738742507833. The next prime is 2738742508001. The reversal of 2738742507855 is 5587052478372.

It is a happy number.

2738742507855 is a `hidden beast` number, since 2 + 7 + 3 + 8 + 7 + 42 + 507 + 85 + 5 = 666.

It is not a de Polignac number, because 2738742507855 - 2¹⁸ = 2738742245711 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2738742507792 and 2738742507801.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 366628462 + ... + 366635931.

It is an arithmetic number, because the mean of its divisors is an integer number (200181179562).

Almost surely, 2^{2738742507855} is an apocalyptic number.

2738742507855 is a deficient number, since it is larger than the sum of its proper divisors (2065605801633).

2738742507855 is a wasteful number, since it uses less digits than its factorization.

2738742507855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733264487 (or 733264484 counting only the distinct ones).

The product of its (nonzero) digits is 131712000, while the sum is 63.

The spelling of 2738742507855 in words is "two trillion, seven hundred thirty-eight billion, seven hundred forty-two million, five hundred seven thousand, eight hundred fifty-five".