1383194749731 has 16 divisors (see below), whose sum is σ = 1985842915200. Its totient is φ = 853176952448.

The previous prime is 1383194749681. The next prime is 1383194749733. The reversal of 1383194749731 is 1379474913831.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1383194749731 - 2⁶ = 1383194749667 is a prime.

It is a super-2 number, since 2×1383194749731² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1383194749733) 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, 229839921 + ... + 229845938.

It is an arithmetic number, because the mean of its divisors is an integer number (124115182200).

Almost surely, 2^{1383194749731} is an apocalyptic number.

1383194749731 is a deficient number, since it is larger than the sum of its proper divisors (602648165469).

1383194749731 is a wasteful number, since it uses less digits than its factorization.

1383194749731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459685938.

The product of its digits is 13716864, while the sum is 60.

The spelling of 1383194749731 in words is "one trillion, three hundred eighty-three billion, one hundred ninety-four million, seven hundred forty-nine thousand, seven hundred thirty-one".