1051905466 has 4 divisors (see below), whose sum is σ = 1577858202. Its totient is φ = 525952732.

The previous prime is 1051905457. The next prime is 1051905511. The reversal of 1051905466 is 6645091501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6645091501 = 1429 ⋅4650169.

It can be written as a sum of positive squares in only one way, i.e., 826275025 + 225630441 = 28745^2 + 15021^2 .

It is a super-2 number, since 2×1051905466² = 2213010218801354312, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262976365 + ... + 262976368.

Almost surely, 2^1051905466 is an apocalyptic number.

1051905466 is a deficient number, since it is larger than the sum of its proper divisors (525952736).

1051905466 is an equidigital number, since it uses as much as digits as its factorization.

1051905466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525952735.

The product of its (nonzero) digits is 32400, while the sum is 37.

The square root of 1051905466 is about 32433.0921436733. The cubic root of 1051905466 is about 1017.0108134326.

Adding to 1051905466 its reverse (6645091501), we get a palindrome (7696996967).

The spelling of 1051905466 in words is "one billion, fifty-one million, nine hundred five thousand, four hundred sixty-six".