742371860149 has 4 divisors (see below), whose sum is σ = 742872449536. Its totient is φ = 741871270764.

The previous prime is 742371860141. The next prime is 742371860171. The reversal of 742371860149 is 941068173247.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 941068173247 = 73 ⋅12891344839.

It is a cyclic number.

It is not a de Polignac number, because 742371860149 - 2³ = 742371860141 is a prime.

It is a super-2 number, since 2×742371860149² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 742371860096 and 742371860105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742371860141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250292469 + ... + 250295434.

It is an arithmetic number, because the mean of its divisors is an integer number (185718112384).

Almost surely, 2^742371860149 is an apocalyptic number.

It is an amenable number.

742371860149 is a deficient number, since it is larger than the sum of its proper divisors (500589387).

742371860149 is a wasteful number, since it uses less digits than its factorization.

742371860149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500589386.

The product of its (nonzero) digits is 2032128, while the sum is 52.

The spelling of 742371860149 in words is "seven hundred forty-two billion, three hundred seventy-one million, eight hundred sixty thousand, one hundred forty-nine".