4354478121 has 64 divisors (see below), whose sum is σ = 7088209920. Its totient is φ = 2322665280.

The previous prime is 4354478101. The next prime is 4354478123. The reversal of 4354478121 is 1218744534.

It is not a de Polignac number, because 4354478121 - 2¹⁰ = 4354477097 is a prime.

It is a super-2 number, since 2×4354478121² = 37922959412535381282, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4354478121.

It is not an unprimeable number, because it can be changed into a prime (4354478123) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11864880 + ... + 11865246.

It is an arithmetic number, because the mean of its divisors is an integer number (110753280).

Almost surely, 2^4354478121 is an apocalyptic number.

It is an amenable number.

4354478121 is a deficient number, since it is larger than the sum of its proper divisors (2733731799).

4354478121 is a wasteful number, since it uses less digits than its factorization.

4354478121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 754.

The product of its digits is 107520, while the sum is 39.

The square root of 4354478121 is about 65988.4696064396. The cubic root of 4354478121 is about 1632.9718727511.

The spelling of 4354478121 in words is "four billion, three hundred fifty-four million, four hundred seventy-eight thousand, one hundred twenty-one".