13146773745 has 24 divisors (see below), whose sum is σ = 24469098624. Its totient is φ = 6009953376.

The previous prime is 13146773737. The next prime is 13146773753. The reversal of 13146773745 is 54737764131.

It is an interprime number because it is at equal distance from previous prime (13146773737) and next prime (13146773753).

It is not a de Polignac number, because 13146773745 - 2³ = 13146773737 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13146773694 and 13146773703.

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, 8942649 + ... + 8944118.

It is an arithmetic number, because the mean of its divisors is an integer number (1019545776).

Almost surely, 2^13146773745 is an apocalyptic number.

13146773745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13146773745 is a deficient number, since it is larger than the sum of its proper divisors (11322324879).

13146773745 is a wasteful number, since it uses less digits than its factorization.

13146773745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17886789 (or 17886782 counting only the distinct ones).

The product of its digits is 1481760, while the sum is 48.

The spelling of 13146773745 in words is "thirteen billion, one hundred forty-six million, seven hundred seventy-three thousand, seven hundred forty-five".