942151493 has 4 divisors (see below), whose sum is σ = 942272940. Its totient is φ = 942030048.

The previous prime is 942151481. The next prime is 942151501. The reversal of 942151493 is 394151249.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 394151249 = 3469 ⋅113621.

It can be written as a sum of positive squares in 2 ways, for example, as 207849889 + 734301604 = 14417^2 + 27098^2 .

It is a cyclic number.

It is not a de Polignac number, because 942151493 - 2⁴ = 942151477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (942151433) 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, 48230 + ... + 64887.

It is an arithmetic number, because the mean of its divisors is an integer number (235568235).

Almost surely, 2^942151493 is an apocalyptic number.

It is an amenable number.

942151493 is a deficient number, since it is larger than the sum of its proper divisors (121447).

942151493 is a wasteful number, since it uses less digits than its factorization.

942151493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121446.

The product of its digits is 38880, while the sum is 38.

The square root of 942151493 is about 30694.4863615601. The cubic root of 942151493 is about 980.3329054334.

The spelling of 942151493 in words is "nine hundred forty-two million, one hundred fifty-one thousand, four hundred ninety-three".