1354844881 has 16 divisors (see below), whose sum is σ = 1524978000. Its totient is φ = 1195020288.

The previous prime is 1354844879. The next prime is 1354844891. The reversal of 1354844881 is 1884484531.

It can be written as a sum of positive squares in 8 ways, for example, as 210714256 + 1144130625 = 14516^2 + 33825^2 .

It is a cyclic number.

It is not a de Polignac number, because 1354844881 - 2¹ = 1354844879 is a prime.

It is a super-2 number, since 2×1354844881² = 3671209303143808322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1354844861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18045 + ... + 55093.

It is an arithmetic number, because the mean of its divisors is an integer number (95311125).

Almost surely, 2^1354844881 is an apocalyptic number.

It is an amenable number.

1354844881 is a deficient number, since it is larger than the sum of its proper divisors (170133119).

1354844881 is a wasteful number, since it uses less digits than its factorization.

1354844881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37188.

The product of its digits is 491520, while the sum is 46.

The square root of 1354844881 is about 36808.2175743407. The cubic root of 1354844881 is about 1106.5299966201.

The spelling of 1354844881 in words is "one billion, three hundred fifty-four million, eight hundred forty-four thousand, eight hundred eighty-one".