10399418554 has 8 divisors (see below), whose sum is σ = 17827574688. Its totient is φ = 4456893660.

The previous prime is 10399418543. The next prime is 10399418563. The reversal of 10399418554 is 45581499301.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×10399418554² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10399418498 and 10399418507.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 371407792 + ... + 371407819.

It is an arithmetic number, because the mean of its divisors is an integer number (2228446836).

Almost surely, 2^10399418554 is an apocalyptic number.

10399418554 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

10399418554 is a deficient number, since it is larger than the sum of its proper divisors (7428156134).

10399418554 is an equidigital number, since it uses as much as digits as its factorization.

10399418554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742815620.

The product of its (nonzero) digits is 777600, while the sum is 49.

The spelling of 10399418554 in words is "ten billion, three hundred ninety-nine million, four hundred eighteen thousand, five hundred fifty-four".