2377345442661 has 12 divisors (see below), whose sum is σ = 3924506762592. Its totient is φ = 1358483110056.

The previous prime is 2377345442657. The next prime is 2377345442729. The reversal of 2377345442661 is 1662445437732.

2377345442661 is a `hidden beast` number, since 2 + 3 + 7 + 7 + 34 + 544 + 2 + 6 + 61 = 666.

It is not a de Polignac number, because 2377345442661 - 2² = 2377345442657 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2377345442598 and 2377345442607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2377345440661) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18867820911 + ... + 18867821036.

It is an arithmetic number, because the mean of its divisors is an integer number (327042230216).

Almost surely, 2^{2377345442661} is an apocalyptic number.

2377345442661 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2377345442661 is a deficient number, since it is larger than the sum of its proper divisors (1547161319931).

2377345442661 is a wasteful number, since it uses less digits than its factorization.

2377345442661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37735641960 (or 37735641957 counting only the distinct ones).

The product of its digits is 20321280, while the sum is 54.

The spelling of 2377345442661 in words is "two trillion, three hundred seventy-seven billion, three hundred forty-five million, four hundred forty-two thousand, six hundred sixty-one".