2687666053245 has 16 divisors (see below), whose sum is σ = 4302669454080. Its totient is φ = 1432620638784.

The previous prime is 2687666053211. The next prime is 2687666053279. The reversal of 2687666053245 is 5423506667862.

It is an interprime number because it is at equal distance from previous prime (2687666053211) and next prime (2687666053279).

It is not a de Polignac number, because 2687666053245 - 2⁷ = 2687666053117 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50050789 + ... + 50104458.

It is an arithmetic number, because the mean of its divisors is an integer number (268916840880).

Almost surely, 2^{2687666053245} is an apocalyptic number.

It is an amenable number.

2687666053245 is a deficient number, since it is larger than the sum of its proper divisors (1615003400835).

2687666053245 is a wasteful number, since it uses less digits than its factorization.

2687666053245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100157044.

The product of its (nonzero) digits is 87091200, while the sum is 60.

The spelling of 2687666053245 in words is "two trillion, six hundred eighty-seven billion, six hundred sixty-six million, fifty-three thousand, two hundred forty-five".