1361958419 has 8 divisors (see below), whose sum is σ = 1422478320. Its totient is φ = 1302686496.

The previous prime is 1361958401. The next prime is 1361958427. The reversal of 1361958419 is 9148591631.

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

It is a cyclic number.

It is not a de Polignac number, because 1361958419 - 2¹² = 1361954323 is a prime.

It is a super-2 number, since 2×1361958419² = 3709861470169959122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1361958449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 309764 + ... + 314129.

It is an arithmetic number, because the mean of its divisors is an integer number (177809790).

Almost surely, 2^1361958419 is an apocalyptic number.

1361958419 is a deficient number, since it is larger than the sum of its proper divisors (60519901).

1361958419 is an equidigital number, since it uses as much as digits as its factorization.

1361958419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623989.

The product of its digits is 233280, while the sum is 47.

The square root of 1361958419 is about 36904.7208226807. The cubic root of 1361958419 is about 1108.4632086346.

The spelling of 1361958419 in words is "one billion, three hundred sixty-one million, nine hundred fifty-eight thousand, four hundred nineteen".