1364975491 has 8 divisors (see below), whose sum is σ = 1489744368. Its totient is φ = 1240320000.

The previous prime is 1364975489. The next prime is 1364975501. The reversal of 1364975491 is 1945794631.

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 1364975491 - 2¹ = 1364975489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1364975401) 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, 2110 + ... + 52291.

It is an arithmetic number, because the mean of its divisors is an integer number (186218046).

Almost surely, 2^1364975491 is an apocalyptic number.

1364975491 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1364975491 is a deficient number, since it is larger than the sum of its proper divisors (124768877).

1364975491 is a wasteful number, since it uses less digits than its factorization.

1364975491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56693.

The product of its digits is 816480, while the sum is 49.

The square root of 1364975491 is about 36945.5747147070. The cubic root of 1364975491 is about 1109.2811109549.

The spelling of 1364975491 in words is "one billion, three hundred sixty-four million, nine hundred seventy-five thousand, four hundred ninety-one".