2148746432547 has 64 divisors (see below), whose sum is σ = 3373392185856. Its totient is φ = 1199412264960.

The previous prime is 2148746432479. The next prime is 2148746432579. The reversal of 2148746432547 is 7452346478412.

It is not a de Polignac number, because 2148746432547 - 2⁷ = 2148746432419 is a prime.

It is a super-2 number, since 2×2148746432547² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2148746439547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 430349283 + ... + 430354275.

It is an arithmetic number, because the mean of its divisors is an integer number (52709252904).

Almost surely, 2^{2148746432547} is an apocalyptic number.

2148746432547 is a deficient number, since it is larger than the sum of its proper divisors (1224645753309).

2148746432547 is a wasteful number, since it uses less digits than its factorization.

2148746432547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7060.

The product of its digits is 36126720, while the sum is 57.

The spelling of 2148746432547 in words is "two trillion, one hundred forty-eight billion, seven hundred forty-six million, four hundred thirty-two thousand, five hundred forty-seven".