1161764419 has 2 divisors, whose sum is σ = 1161764420. Its totient is φ = 1161764418.

The previous prime is 1161764381. The next prime is 1161764453. The reversal of 1161764419 is 9144671611.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1161764419 - 2¹³ = 1161756227 is a prime.

It is a super-2 number, since 2×1161764419² = 2699393130508815122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1161764119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 580882209 + 580882210.

It is an arithmetic number, because the mean of its divisors is an integer number (580882210).

Almost surely, 2^1161764419 is an apocalyptic number.

1161764419 is a deficient number, since it is larger than the sum of its proper divisors (1).

1161764419 is an equidigital number, since it uses as much as digits as its factorization.

1161764419 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 40.

The square root of 1161764419 is about 34084.6654523702. The cubic root of 1161764419 is about 1051.2500362468.

The spelling of 1161764419 in words is "one billion, one hundred sixty-one million, seven hundred sixty-four thousand, four hundred nineteen".