1742199931 has 2 divisors, whose sum is σ = 1742199932. Its totient is φ = 1742199930.

The previous prime is 1742199913. The next prime is 1742199937. The reversal of 1742199931 is 1399912471.

Together with previous prime (1742199913) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is an emirp because it is prime and its reverse (1399912471) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1742199931 - 2¹¹ = 1742197883 is a prime.

It is a super-2 number, since 2×1742199931² = 6070521199152809522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1742199937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 871099965 + 871099966.

It is an arithmetic number, because the mean of its divisors is an integer number (871099966).

Almost surely, 2^1742199931 is an apocalyptic number.

1742199931 is a deficient number, since it is larger than the sum of its proper divisors (1).

1742199931 is an equidigital number, since it uses as much as digits as its factorization.

1742199931 is an evil number, because the sum of its binary digits is even.

The product of its digits is 122472, while the sum is 46.

The square root of 1742199931 is about 41739.6685540266. The cubic root of 1742199931 is about 1203.2780581897.

The spelling of 1742199931 in words is "one billion, seven hundred forty-two million, one hundred ninety-nine thousand, nine hundred thirty-one".