1053419991 has 16 divisors (see below), whose sum is σ = 1516324320. Its totient is φ = 646663680.

The previous prime is 1053419953. The next prime is 1053419993. The reversal of 1053419991 is 1999143501.

It is a de Polignac number, because none of the positive numbers 2^k-1053419991 is a prime.

It is a super-2 number, since 2×1053419991² = 2219387354876880162, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1053419993) 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, 17070 + ... + 48971.

It is an arithmetic number, because the mean of its divisors is an integer number (94770270).

Almost surely, 2^1053419991 is an apocalyptic number.

1053419991 is a deficient number, since it is larger than the sum of its proper divisors (462904329).

1053419991 is a wasteful number, since it uses less digits than its factorization.

1053419991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66466.

The product of its (nonzero) digits is 43740, while the sum is 42.

The square root of 1053419991 is about 32456.4321976400. The cubic root of 1053419991 is about 1017.4986740219.

The spelling of 1053419991 in words is "one billion, fifty-three million, four hundred nineteen thousand, nine hundred ninety-one".