2646607261472 has 12 divisors (see below), whose sum is σ = 5210508046086. Its totient is φ = 1323303630720.

The previous prime is 2646607261393. The next prime is 2646607261481. The reversal of 2646607261472 is 2741627066462.

It can be written as a sum of positive squares in only one way, i.e., 1934669573776 + 711937687696 = 1390924^2 + 843764^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41353238429 + ... + 41353238492.

Almost surely, 2^{2646607261472} is an apocalyptic number.

It is an amenable number.

2646607261472 is a deficient number, since it is larger than the sum of its proper divisors (2563900784614).

2646607261472 is an equidigital number, since it uses as much as digits as its factorization.

2646607261472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82706476931 (or 82706476923 counting only the distinct ones).

The product of its (nonzero) digits is 8128512, while the sum is 53.

The spelling of 2646607261472 in words is "two trillion, six hundred forty-six billion, six hundred seven million, two hundred sixty-one thousand, four hundred seventy-two".