401663461433 has 16 divisors (see below), whose sum is σ = 442790690496. Its totient is φ = 362004310080.

The previous prime is 401663461403. The next prime is 401663461453. The reversal of 401663461433 is 334164366104.

It is a cyclic number.

It is not a de Polignac number, because 401663461433 - 2³² = 397368494137 is a prime.

It is a super-2 number, since 2×401663461433² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401663461403) 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, 1328066 + ... + 1602212.

It is an arithmetic number, because the mean of its divisors is an integer number (27674418156).

Almost surely, 2^401663461433 is an apocalyptic number.

401663461433 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

401663461433 is a deficient number, since it is larger than the sum of its proper divisors (41127229063).

401663461433 is a wasteful number, since it uses less digits than its factorization.

401663461433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276824.

The product of its (nonzero) digits is 373248, while the sum is 41.

The spelling of 401663461433 in words is "four hundred one billion, six hundred sixty-three million, four hundred sixty-one thousand, four hundred thirty-three".